Progress bars, zoom, bus annotation tweaks

Change progress bar colors
Fix layout on map button
Don't zoom annotations on every refresh, only zoom on location updated and after mapview setup
Reanimate bus pins when app enters foreground
Use DIN in navigation bar back button
Use DIN on segmented control
Font size tweaks
Set up Travis CI
Rename to .travis.yml
Set rvm: 1.9.3 for Travis
Use 0.29.0
Fix config file to use MetroRappid.xcworkspace
Fix test schema and fix basic test syntax errors
Use script section for builds
Update README, add schemes
Use xcodebuild to run tests
Rearrange xcodebuild test args
Merge pull request #36 from luqmaan/misc-tweaks

Misc tweaks