Add Python 2.7/3.3 and remove pyflakes from travis-ci tests
Add Python 2.7/3.3 and remove pyflakes from travis-ci tests

johnctitus/troposphere,mhahn/troposphere,WeAreCloudar/troposphere,pas256/troposphere,samcrang/troposphere,7digital/troposphere,kid/troposphere,garnaat/troposphere,ikben/troposphere,Yipit/troposphere,unravelin/troposphere,iblazevic/troposphere,wangqiang8511/troposphere,micahhausler/troposphere,cryptickp/troposphere,ccortezb/troposphere,horacio3/troposphere,cloudtools/troposphere,dmm92/troposphere,alonsodomin/troposphere,jantman/troposphere,yxd-hde/troposphere,johnctitus/troposphere,7digital/troposphere,mannytoledo/troposphere,LouTheBrew/troposphere,craigbruce/troposphere,cloudtools/troposphere,dmm92/troposphere,DualSpark/troposphere,pas256/troposphere,nicolaka/troposphere,xxxVxxx/troposphere,inetCatapult/troposphere,alonsodomin/troposphere,amosshapira/troposphere,ikben/troposphere,ptoraskar/troposphere,horacio3/troposphere,Hons/troposphere,jdc0589/troposphere