changes AndroidManifest to declare minimum API verison supported (Gingerbread)
#82 - Adding basic infrastructure to support title and description.  Refactoring color definitions into Android colors resource file.
#82 - Adding description drawing logic
#82 - Removing unused View field in Tooltip.  Updating TestApp's MapView xml to use proper mapid
fixes URL malformation when no symbol is specified. Ref #203
Merge branch 'master' of github.com:mapbox/mapbox-android-sdk
removes stray sout in icon
Merge branch 'master' into clustering

Conflicts:
	MapboxAndroidSDK/src/main/java/com/mapbox/mapboxsdk/overlay/Icon.java