DAR-2558 Replacing modal on WikiWelcome
DAR-2558 Fixes after QA pass for consistency

* changed modal size to medium
* moved title to top of modal
* changed font sizes to be consistent with CreateNewPage screen
Revert "DAR-2558 Fixes after QA pass for consistency"

This reverts commit e681d2938e4684351e960654b6ea20bbc1d7d7a3.
DAR-2558 Fixes after QA pass for consistency

* changed modal size to medium
* moved title to top of modal
* changed font sizes to be consistent with CreateNewPage screen
DAR-2558 Add missing template file
DAR-2558 Fix whitespace
Merge pull request #2196 from Wikia/DAR-2558

DAR-2558 Replacing modal on WikiWelcome