Update README to reflect project repo location
Merge pull request #41 from scooterw/readme_update

Update README to reflect project repo location
sniff for missing mimetype in Tile

if not available for whatever reason, sniff for magic
Added Util.nullIfEmpty string utility method
Updates to geogit driver based on upstream geogit changes for android.

- Making GeoGit driver class subclassable with ability to override geogit configuration methods.
Upping geogit version to 0.8
Whitespace fix
Added Transaction.NULL - no-op transaction object
Added geogit profile
Null safety when output crs object parameters
Merge branch 'master' into geogit-android
Falling back to parsing WKT
Using transactions when editing
Added Util.nullIfEmpty string utility method
Merge branch 'master' into geogit-android
Upgrading guava to same version as geogit
Updated test to reflect api change to GeoGit driver