Error while building app for ios

Hello all,
We have developed a meteor application and tested it on browser and android app but when I tried to test it for ios I got some errors with deprecated functions. Errors are as follows:

/Users/deligence/Documents/meteorapplication/xcodeproj/.meteor/local/cordova-build/platforms/ios/CordovaLib/Classes/CDVInvokedUrlCommand.m
/Users/deligence/Documents/meteorapplication/xcodeproj/.meteor/local/cordova-build/platforms/ios/CordovaLib/Classes/CDVInvokedUrlCommand.m:88:60: ‘cdv_dataFromBase64String:’ is deprecated: Deprecated in Cordova 3.9.2. Use NSData initWithBase64EncodedString instead. This will be removed in 4.0.0
/Users/deligence/Documents/meteorapplication/xcodeproj/.meteor/local/cordova-build/platforms/ios/CordovaLib/Classes/NSData+Base64.h:44:1: ‘cdv_dataFromBase64String:’ has been explicitly marked deprecated here
/Users/deligence/Documents/meteorapplication/xcodeproj/.meteor/local/cordova-build/platforms/ios/CordovaLib/Classes/CDVPluginResult.m
/Users/deligence/Documents/meteorapplication/xcodeproj/.meteor/local/cordova-build/platforms/ios/CordovaLib/Classes/CDVPluginResult.m:40:31: ‘cdv_base64EncodedString’ is deprecated: Deprecated in Cordova 3.9.2. Use NSData base64EncodedStringWithOptions instead. This will be removed in 4.0.0
/Users/deligence/Documents/meteorapplication/xcodeproj/.meteor/local/cordova-build/platforms/ios/CordovaLib/Classes/NSData+Base64.h:45:1: ‘cdv_base64EncodedString’ has been explicitly marked deprecated here
/Users/deligence/Documents/meteorapplication/xcodeproj/.meteor/local/cordova-build/platforms/ios/CordovaLib/Classes/CDVPlugin.m
/Users/deligence/Documents/meteorapplication/xcodeproj/.meteor/local/cordova-build/platforms/ios/CordovaLib/Classes/CDVPlugin.m:41:18: ‘initWithWebView:’ is deprecated: Deprecated in Cordova 3.9.2. Use pluginInitialize method instead. This will be removed in 4.0.0
/Users/deligence/Documents/meteorapplication/xcodeproj/.meteor/local/cordova-build/platforms/ios/CordovaLib/Classes/CDVPlugin.h:41:1: ‘initWithWebView:’ has been explicitly marked deprecated here
/Users/deligence/Documents/meteorapplication/xcodeproj/.meteor/local/cordova-build/platforms/ios/CordovaLib/Classes/CDVURLProtocol.m
/Users/deligence/Documents/meteorapplication/xcodeproj/.meteor/local/cordova-build/platforms/ios/CordovaLib/Classes/CDVURLProtocol.m:81:37: ‘whitelist’ is deprecated: Deprecated in Cordova 3.9.2. Use URLisAllowed to check specific URL. This will be removed in 4.0.0
/Users/deligence/Documents/meteorapplication/xcodeproj/.meteor/local/cordova-build/platforms/ios/CordovaLib/Classes/CDVViewController.h:44:55: ‘whitelist’ has been explicitly marked deprecated here
/Users/deligence/Documents/meteorapplication/xcodeproj/.meteor/local/cordova-build/platforms/ios/CordovaLib/Classes/CDVViewController.m
/Users/deligence/Documents/meteorapplication/xcodeproj/.meteor/local/cordova-build/platforms/ios/CordovaLib/Classes/CDVViewController.m:84:15: ‘printMultitaskingInfo’ is deprecated: Deprecated in Cordova 3.9.2. This will be removed in 4.0.0
/Users/deligence/Documents/meteorapplication/xcodeproj/.meteor/local/cordova-build/platforms/ios/CordovaLib/Classes/CDVViewController.h:67:1: ‘printMultitaskingInfo’ has been explicitly marked deprecated here
/Users/deligence/Documents/meteorapplication/xcodeproj/.meteor/local/cordova-build/platforms/ios/CordovaLib/Classes/CDVViewController.m:157:14: ‘whitelist’ is deprecated: Deprecated in Cordova 3.9.2. Use URLisAllowed to check specific URL. This will be removed in 4.0.0
/Users/deligence/Documents/meteorapplication/xcodeproj/.meteor/local/cordova-build/platforms/ios/CordovaLib/Classes/CDVViewController.h:44:55: ‘whitelist’ has been explicitly marked deprecated here
/Users/deligence/Documents/meteorapplication/xcodeproj/.meteor/local/cordova-build/platforms/ios/CordovaLib/Classes/CDVViewController.m:161:18: ‘whitelist’ is deprecated: Deprecated in Cordova 3.9.2. Use URLisAllowed to check specific URL. This will be removed in 4.0.0
/Users/deligence/Documents/meteorapplication/xcodeproj/.meteor/local/cordova-build/platforms/ios/CordovaLib/Classes/CDVViewController.h:44:55: ‘whitelist’ has been explicitly marked deprecated here
/Users/deligence/Documents/meteorapplication/xcodeproj/.meteor/local/cordova-build/platforms/ios/CordovaLib/Classes/CDVViewController.m:189:10: ‘whitelist’ is deprecated: Deprecated in Cordova 3.9.2. Use URLisAllowed to check specific URL. This will be removed in 4.0.0
/Users/deligence/Documents/meteorapplication/xcodeproj/.meteor/local/cordova-build/platforms/ios/CordovaLib/Classes/CDVViewController.h:44:55: ‘whitelist’ has been explicitly marked deprecated here
/Users/deligence/Documents/meteorapplication/xcodeproj/.meteor/local/cordova-build/platforms/ios/CordovaLib/Classes/CDVViewController.m:217:18: ‘loadFromString’ is deprecated: Deprecated in Cordova 3.9.2. This will be removed in 4.0.0
/Users/deligence/Documents/meteorapplication/xcodeproj/.meteor/local/cordova-build/platforms/ios/CordovaLib/Classes/CDVViewController.h:45:46: ‘loadFromString’ has been explicitly marked deprecated here
/Users/deligence/Documents/meteorapplication/xcodeproj/.meteor/local/cordova-build/platforms/ios/CordovaLib/Classes/CDVViewController.m:278:15: ‘createGapView’ is deprecated: Deprecated in Cordova 3.9.2. This will be removed in 4.0.0
/Users/deligence/Documents/meteorapplication/xcodeproj/.meteor/local/cordova-build/platforms/ios/CordovaLib/Classes/CDVViewController.h:68:1: ‘createGapView’ has been explicitly marked deprecated here
/Users/deligence/Documents/meteorapplication/xcodeproj/.meteor/local/cordova-build/platforms/ios/CordovaLib/Classes/CDVViewController.m:304:55: ‘initWithWebView:’ is deprecated: Deprecated in Cordova 3.9.2. Use pluginInitialize method instead. This will be removed in 4.0.0
/Users/deligence/Documents/meteorapplication/xcodeproj/.meteor/local/cordova-build/platforms/ios/CordovaLib/Classes/CDVPlugin.h:41:1: ‘initWithWebView:’ has been explicitly marked deprecated here
/Users/deligence/Documents/meteorapplication/xcodeproj/.meteor/local/cordova-build/platforms/ios/CordovaLib/Classes/CDVViewController.m:464:52: ‘initWithWebView:’ is deprecated: Deprecated in Cordova 3.9.2. Use pluginInitialize method instead. This will be removed in 4.0.0
/Users/deligence/Documents/meteorapplication/xcodeproj/.meteor/local/cordova-build/platforms/ios/CordovaLib/Classes/CDVPlugin.h:41:1: ‘initWithWebView:’ has been explicitly marked deprecated here
/Users/deligence/Documents/meteorapplication/xcodeproj/.meteor/local/cordova-build/platforms/ios/CordovaLib/Classes/CDVViewController.m:784:19: ‘loadFromString’ is deprecated: Deprecated in Cordova 3.9.2. This will be removed in 4.0.0
/Users/deligence/Documents/meteorapplication/xcodeproj/.meteor/local/cordova-build/platforms/ios/CordovaLib/Classes/CDVViewController.h:45:46: ‘loadFromString’ has been explicitly marked deprecated here
/Users/deligence/Documents/meteorapplication/xcodeproj/.meteor/local/cordova-build/platforms/ios/CordovaLib/Classes/CDVViewController.m:785:14: ‘loadFromString’ is deprecated: Deprecated in Cordova 3.9.2. This will be removed in 4.0.0
/Users/deligence/Documents/meteorapplication/xcodeproj/.meteor/local/cordova-build/platforms/ios/CordovaLib/Classes/CDVViewController.h:45:46: ‘loadFromString’ has been explicitly marked deprecated here
/Users/deligence/Documents/meteorapplication/xcodeproj/.meteor/local/cordova-build/platforms/ios/CordovaLib/Classes/CDVViewController.m:814:19: ‘whitelist’ is deprecated: Deprecated in Cordova 3.9.2. Use URLisAllowed to check specific URL. This will be removed in 4.0.0
/Users/deligence/Documents/meteorapplication/xcodeproj/.meteor/local/cordova-build/platforms/ios/CordovaLib/Classes/CDVViewController.h:44:55: ‘whitelist’ has been explicitly marked deprecated here
/Users/deligence/Documents/meteorapplication/xcodeproj/.meteor/local/cordova-build/platforms/ios/CordovaLib/Classes/CDVViewController.m:815:26: ‘whitelist’ is deprecated: Deprecated in Cordova 3.9.2. Use URLisAllowed to check specific URL. This will be removed in 4.0.0
/Users/deligence/Documents/meteorapplication/xcodeproj/.meteor/local/cordova-build/platforms/ios/CordovaLib/Classes/CDVViewController.h:44:55: ‘whitelist’ has been explicitly marked deprecated here
/Users/deligence/Documents/meteorapplication/xcodeproj/.meteor/local/cordova-build/platforms/ios/CordovaLib/Classes/CDVViewController.m:897:52: ‘initWithWebView:’ is deprecated: Deprecated in Cordova 3.9.2. Use pluginInitialize method instead. This will be removed in 4.0.0
/Users/deligence/Documents/meteorapplication/xcodeproj/.meteor/local/cordova-build/platforms/ios/CordovaLib/Classes/CDVPlugin.h:41:1: ‘initWithWebView:’ has been explicitly marked deprecated here
/Users/deligence/Documents/meteorapplication/xcodeproj/.meteor/local/cordova-build/platforms/ios/CordovaLib/Classes/CDVCommandDelegateImpl.m
/Users/deligence/Documents/meteorapplication/xcodeproj/.meteor/local/cordova-build/platforms/ios/CordovaLib/Classes/CDVCommandDelegateImpl.m:171:30: ‘whitelist’ is deprecated: Deprecated in Cordova 3.9.2. Use URLisAllowed to check specific URL. This will be removed in 4.0.0
/Users/deligence/Documents/meteorapplication/xcodeproj/.meteor/local/cordova-build/platforms/ios/CordovaLib/Classes/CDVViewController.h:44:55: ‘whitelist’ has been explicitly marked deprecated here
/Users/deligence/Documents/meteorapplication/xcodeproj/.meteor/local/cordova-build/platforms/ios/CordovaLib/Classes/CDVCommandDelegateImpl.m:172:29: ‘whitelist’ is deprecated: Deprecated in Cordova 3.9.2. Use URLisAllowed to check specific URL. This will be removed in 4.0.0
/Users/deligence/Documents/meteorapplication/xcodeproj/.meteor/local/cordova-build/platforms/ios/CordovaLib/Classes/CDVViewController.h:44:55: ‘whitelist’ has been explicitly marked deprecated here

Please tell me how to take care of those errors.