Romain GUINOT - 2013-03-01

I wanted this too, so i've added it myself.

It's a checkgmail version with two factor support (config, UI, integration), login refactoring (requests, UI), refactored kwallet integration, + additional refactoring/bugfixing.

Instructions on getting this modified version are available here :
https://gist.github.com/romainguinot/5065977.