Merge pull request #92 from brendam/master

Example settings file
add requirements.txt
try to fix settings.py problem in Travis
Update .travis.yml
Merge pull request #94 from brendam/master

Add suburbs for artworks to twitter suburb detection
Added sidebar to main ambient page.
CSS cleaned up and prettifying of map.
Merge pull request #100 from PrototypeDino/ambient-sidebar

Doesn't appear to clash with adam's WIP comment