Add .idea to the gitignore.
Add google analytics.
Merge pull request #38 from tlpinney/master

Install release version of django
Use None vs nonexistent variable to prevent NameErrors.  Fixes #39.
Add a local settings.
Use requirements.txt to install python dependencies.
Add the staticfiles_dirs setting.
Remove SecurityMiddleware until it has been added in an official release of Django.
Merge branch 'master' of https://github.com/GeoMakers/geomakers