Test
Changed Experiment so it returns Arraylists and Hashmaps instead of list and maps, by request from com group.
fixed change label method, seems to be working. the test otherwise is a bit hard-coded :S
Merge branch 'database' of https://github.com/genomizer/genomizer-server into database
Merge remote-tracking branch 'origin/database' into development
Merge remote-tracking branch 'origin/development' into communication