Exposed User Location Overlay color via set method that takes four integer arguments, named for exactly which component they are.
Changed integer order to match ARGB

Switched the integer order to match up with the setARGB method properly.
Changed color methods used to superior getColor/setColor methods that only require one integer.
Updated docs/_layouts/default.html
Updated docs/_layouts/default.html
Updated docs/_layouts/default.html
Updated docs/_layouts/default.html
Updated docs/_layouts/default.html
Updated docs/_layouts/default.html
Updated docs/_layouts/default.html
Add BingTileLayer to get map tiles from Bing

Based off of https://github.com/osmdroid/osmdroid/blob/master/osmdroid-third-party/src/main/java/org/osmdroid/tileprovider/tilesource/bing/imagerymetadata/ImageryMetaDataResource.java
#520 - Updating Android Support Library
#520 - Updated Gradle Wrapper to 2.1 to support latest Gradle build tools (v 0.13.2).  Updated Build Target / SDK Version / Tools to API 21.
#521 - Initial UI infrastructure setup
#521 - Refactoring to use new MapView based user location controls
#521 - Setting user location zoom level
Merge branch 'mb-pages' of https://github.com/o-obushenko/mapbox-android-sdk into o-obushenko-mb-pages
Merge branch 'o-obushenko-mb-pages' into mb-pages
#474 - Fixing checkstyle issue
Updated docs/_layouts/default.html