Merge pull request #438 from jaypoulz/jp361

Jp361-- Experiment Blocks Exist as Does the skeleton for Browse
Added zxing to Data Collector/iOS directory
Merge pull request #439 from stowellm/ms400

Added zxing to Data Collector/iOS directory
Removed unneccessary zxing files
Merge pull request #441 from stowellm/ms400

Removed unneccessary zxing files
Fixed silly paths n' stuff
Experiment field filling on manual, updated ExperimentField object
Merge pull request #442 from stowellm/ms440

Experiment field filling on manual, updated ExperimentField object
Trying to get the buttons to respond quickly to a press but the scrollView is absorbing the speed
Merge remote-tracking branch 'upstream/master' into jp361