Update replicate.json

Started with a basic for the RBNS concentation and units.  I need to know what units we are accepting and we need to make the dependancy.
Update replicate.json

Restrict the enum for the RBNS_protein to nM according to the ticket 1296.
Update experiment.json

Attempting to add bind-n-seq to the test set
Update replicate.json

adding in replicates for the RBNS test case
Update experiment.json

Removing biosample from the Bind and Seq example
Update experiment.json

Change the Bind and Seq test set to not have TST SR number.
Update replicate.json

Adding valid protein concentrations and corrected experiment ID for the bind n seq test data
Merging master in so that I can properly apply for a git pull
Merge branch 'master' into 1296
Update replicate.json

fixing a comma
Merge branch '1296-RBNS_fields' of https://github.com/ENCODE-DCC/encoded into 1296
Fixing some comma errors
Adding Cricket as a user in the test
Adding dependancies for the RBNS_concentraion and units
Merge branch 'master' into 1296
@hitz has left tests that are hardcoded with the number of experiments expected.  As I was intructed to add experiments and replicates to match the new scheas, I was then forced to update the hardcoded numbers.  Seems like a high maintenance test.
Creating a test for replicate schemas.
Laurence and Cricket created a model for testing the schemas.  Use this model for creating things like test_schema_experiment.py.
Changing RBNS to rbns in field names
Merge pull request #207 from ENCODE-DCC/1296-RBNS_fields

1296 rbns fields