Add WBbt and FBbt to biosample_term_id pattern
Add mating_status property and enums to biosample
Fixed the UUID for celegans.
Merge pull request #224 from ENCODE-DCC/1349-add_WBbt_and_FBbt

Add WBbt and FBbt to biosample_term_id pattern (#1349)
Merge pull request #225 from ENCODE-DCC/1403-add_mating_status_to_biosample

Add mating_status property and enums to biosample (#1403)
Resolved merge conflict.