If the source for which sequences were requested is M5NR, then do not filter the returned sequence list by source.  Instead, return all sequences.
Fixed the number of sequences listed in the downloaded filename to be equal to the number of sequences that are printed to the file.
Merge branch 'develop' of https://github.com/MG-RAST/MG-RAST into develop
Merge pull request #282 from jaredbischof/develop

A couple fixes for the Analysis page.