Got API key and setup manifest for Maps API.  MainActivity now loads a map fragment.
Added stock audio clips of San Francisco in res/raw/.
Added Discover and Make tabs.  Added Record action in Action Bar.  Enabled user's location on map.  Refactored GuideMapFragment to DiscoverFragment.
Updated Track model.  Added mock tracks.  Set up LocationClient and current location of user.  Added map markers for mock tracks.  Set click of marker info window to play audio track.
Fixed null tracks and markers. Added RecordActivity and layout.
Added audio track recording and playback
Map in RecordActivity set to current location.  Track model class updated for audio track filepaths.
List view now has tracks.
Saved new audio track and placed on map in DiscoverFragment.
Added the listener to list view so show the record activity.
Set arbitrary location for new track.  Custom record and listen markers on maps.
Merge pull request #1 from boes-matt/develop

Develop