Critical bug fixes for Translate extension

by kunalgrover05 for Wikimedia

This project aims at resolution of some critical bugs and some feature improvements in the Translate extension. These bugs limit the extension’s usability and also make its use inconvenient in a lot of cases. •Make page title translation optional •Improvement for core- Inability to set page language while page creation. •Fix non-updating of translation pages on deletion of translation units •Redesign of interface of Translate extension •Adding features to Special:AggregateGroups