Created warning for simultaneous edition of planos de aulas
Created Alerta Avaliacoes model and app
Deleted commented lines
Moved requirements file to root
Included postegresify and heroku remote and settings
Included runtime for Python 3.3 and fixture
Changed runtime to python 3.3.4
Included gunicorn in requirements
Included prod settings for Webfaction
Merged with master
Added requirements