Removed default for paired ended.
Reverting schema upgrade. There is no need for a migration script. WIll handle through audit scripts.
Merge branch 'master' into 1401_paired-end-library
Removed note.
Added in paired_end audit check.
Merge branch 'master' into 1401_paired-end-library
Skeleton of test for paired-end.
Updated audit tests and added test for paired_ended properties.
Merge branch 'master' into 1401_paired-end-library
Merge branch 'master' into 1401_paired-end-library
Changed raise to yeild failures.
Merge pull request #277 from ENCODE-DCC/1401_paired-end-library

#1401 removed default in paired end library