repairing paired end function
Adding in the read_length checks as well.  Likely it should come out as its own audit and not be part of platform
Update experiment.py

Split the read_length check into its own audit
Update experiment.py

Fix microRNA Assay
Update experiment.py
Update test_audit_experiment.py

Adding in a test
Fixing the string function
Merge remote-tracking branch 'origin/master' into 1647-paired-end-fix
Merge remote-tracking branch 'origin/master' into 1647-paired-end-fix
Fixing the ENCODE2 search to be set of not-checking
Merge remote-tracking branch 'origin/master' into 1647-paired-end-fix
Merge pull request #492 from ENCODE-DCC/1647-paired-end-fix

1647 paired end fix