Bump to robolectric 2.2
Bump to robolectric 2.2

yjliugit/gradletest,robolectric/deckard-maven,robolectric/deckard,sweetleon/android-sample-todo-list,Mounika-Chirukuri/deckard,eggertj12/Oturgjold,0359xiaodong/deckard,jdonmoyer/deckard-gradle,seadowg/windsock-android,seadowg/windsock-android,seadowg/deckard-gradle,WonderCsabo/deckard-gradle,ankitrokdeonsns/sulabh-android-app,seadowg/windsock-android,WonderCsabo/deckard-maven,403462630/deckard-gradle-test,vogellacompany/deckard-gradle,toshihirock/AndroidEspresso2Sample,DroidsOnRoids/deckard-gradle,robolectric/deckard-maven