Added Survey and SurveyContent model. They are currently located in a single file this can be undone later on. Patch by: James Levy, Daniel Diniz, Lennard de Rijk Reviewed by: Lennard de Rijk

# use glob syntax.
syntax: glob

*.pyc
*.zip
*~
.project
.pydevproject
app.yaml
build
tests/coverageResults
*,cover
tests/.coverage
*.git
.gitignore
.DS_Store