add new relic free level and extend unicorn to 30
bumped version to v0.36
Merge branch 'release/v0.36' into develop

* release/v0.36:
  bumped version to v0.36
make Heroku happy by declaring a version of ruby in the Gemfile
bumped version to v0.37
Merge branch 'release/v0.37' into develop

* release/v0.37:
  bumped version to v0.37
FIX: unicorn config
bump version to v0.38
Merge branch 'release/0v.38' into develop

* release/0v.38:
  bump version to v0.38
FIX: start to fix district index demanding too much memory
bumped version to v0.39
Merge branch 'release/v0.39' into develop

* release/v0.39:
  bumped version to v0.39
FIX: slowly add back partials
bumped up version
Merge branch 'release/v0.40' into develop

* release/v0.40:
  bumped up version
slim down sidebar
bumped up version
Merge branch 'release/v0.41' into develop

* release/v0.41:
  bumped up version
comment out sidebar from front page
bumped up version