Keep it secret. Keep it safe.

* Renames secrets.xml to secrets.xml.example and moves to project root.
* Generates secrets.xml file in generate-sources phase with real token values.
* Adds generated secrets.xml file to .gitignore file.
Add explicit generate-sources goal execution in circle.yml
Merge pull request #183 from mapzen/chuck/hide-secrets

Keep it secret. Keep it safe.
introduces RoutePreviewFragment
adds Dagger injection framework
adds route_preview container and view
toggles actionbar when route_preview is added
adds destination and current location text views
adds reverse route button
dealing with merge
add switch button
removes unused import
adds path to route preview
set dynamic zoomlevel based on route previewed
adds walking biking and driving options to route preview
using transportation types from on the route library
formatting attempts
adds a and b marker at beginning and end of route preview path
adds distance view and destination at the bottom or preview screen
change the entry of route in tests
adds starting of routeFragment
moving directionlist fragment to route package