added get tutorial functions
added current user getter
Merge branch 'master' of ssh://github.com/isenseDev/iSENSE-Hardware into parachute
Merge pull request #671 from stowellm/ms636

Updated to API 18, removed all lint warnings in Android Data Collector, ...
adding more funcionality to api
Merge pull request #673 from nickavv/parachute

More API functionality
Merge pull request #674 from stowellm/ms636

Added Canobie Physics v2: changed main layout, fixed SD card error
working on spinner
Merge pull request #675 from Rajia/ra553

working on spinner
Finished Canobie Physics v2 - updated all layouts, recording with no experiment works, many other minor fixes.