Added test data for read_length and read_length_units.
Added tests for depleated in and treatment.
Updated data to pass tests.
Added tests for all properties for antibody_characterizations.json.
Fixed aliases to follow convention in documentation.
Added tests for all properties for antibody_lot.json.
 Added notes test.
Added notes property for source.json.
Added rnai characterization and completed example of rnai.
Added notes for platform.json.
Added remaning properties.
Fixing some data entries for test cases.
Fixed formating errors.
Updated mixing for status for award.json. Then added status tests for award and source.
Added status for targets.
Merge branch 'master' into test_data-865
Changed values to be boolean.
Merge pull request #92 from ENCODE-DCC/status_target-1024

Added status for targets. #1024
Merge pull request #93 from ENCODE-DCC/status_mixin-1021

Updated mixing for status for award.json. Then added status tests for award and source. #1021
Added characterization example.