Merge pull request #137 from ParsePlatform/nlutsenko.trimemail

Trim email of whitespace when signing up.

Author: nlutsenko

ParseUI/Classes/SignUpViewController/PFSignUpViewController.m

@@ -248,6 +248,8 @@ - (void)_signUpAction {
     NSString *username = _signUpView.usernameField.text ?: @"";
     NSString *password = _signUpView.passwordField.text ?: @"";
     NSString *email = (self.emailAsUsername ? username : _signUpView.emailField.text);
+    email = [email stringByTrimmingCharactersInSet:[NSCharacterSet whitespaceAndNewlineCharacterSet]];
+
     NSString *additional = _signUpView.additionalField.text;
 
     NSMutableDictionary *dictionary = [@{ PFSignUpViewControllerDelegateInfoUsernameKey : username,