- upgrade to scala 2.9.3
- upgrade to build with sbt
- remove duplicate dependency on xmldiff
upgrade to scala 2.10.1
Renamed to defaut sbt structure.
Sbt test can execute all tests:
    Failed: : Total 68, Failed 11, Errors 0, Passed 57, Skipped 0
    Failed tests:
        com.google.gdata.data.media.ContentTest
        com.google.gdata.calendar.CalendarFeedsTest
        com.google.gdata.youtube.YouTubeFeedsTest