Show the first tab automatically on MergeRequests#new
Show the first tab automatically on MergeRequests#new

Closes #2013

michaKFromParis/gitlabhq,michaKFromParis/gitlabhqold,ksoichiro/gitlabhq,screenpages/gitlabhq,michaKFromParis/gitlabhq,michaKFromParis/gitlabhqold,screenpages/gitlabhq,michaKFromParis/gitlabhq,michaKFromParis/gitlabhq,michaKFromParis/gitlabhqold,ksoichiro/gitlabhq,ksoichiro/gitlabhq,screenpages/gitlabhq,screenpages/gitlabhq,michaKFromParis/gitlabhqold,ksoichiro/gitlabhq