Closes # 6280 Welcome dialog spinner fixed
Closes # 6280 Welcome dialog spinner fixed

Squashed commit of the following:

commit ffa4f1d611148ffc2a6a8f00b1d113b19870409c
Author: Eric Gregory <eric@yorba.org>
Date:   Wed Jan 30 18:59:38 2013 -0800

    Fix for spinner on welcome screen

tshikaboom/geary,kyoushuu/geary,geekvigilante/geary,AtticHacker/geary,emersion/geary,tshikaboom/geary,githubnemo/geary,emersion/geary,aatishnn/geary,AtticHacker/geary,martinra/geary,AtticHacker/geary,rschroll/geary,glebihan/geary,mjog/geary,glebihan/geary,rschroll/geary,mjog/geary,MohamedIM/geary-unofficial,jimbonator/geary,robol/geary,githubnemo/geary,aatishnn/geary,abn/geary,kpiwko/geary,emersion/geary,jimbonator/geary,martinra/geary,githubnemo/geary,jimbonator/geary,robol/geary,martinra/geary,kyoushuu/geary,robol/geary,glebihan/geary,tshikaboom/geary,mjog/geary,aatishnn/geary,mpdeimos/geary