URL Encoding for newusername passed in URL
Added <tr> to display warnings
Added new warning messages
Added row for displaying warnings.
Modified NewUsernameUrlEncoder.
It is now also responsible for some validation of new username. Considering changing file name to NewUsernameValidator.
Merge branch 'dev' into CE-347
Add AntiSpoof check to new username validation.
Added AntiSpoof messages
Merge branch 'dev' into CE-347
Updated i18n file.
Readded AntiSpoof messages
Added username warning messages.
Improved AntiSpoof conflict message
Fixed hardcoded path to AntiSpoof ext.
Removed redundant require_once.
Removed redundant global .
Merge pull request #1457 from Wikia/CE-347

Ce 347