Merge pull request #3 from vmorariu/master

extension check fix and verbose flag on non-custom janus_create_gallery
Update README.md
Changes to ensure c compliance
Merge pull request #4 from biometrics/c_compliance

Changes to ensure c compliance
janus_flatten_gallery proposal
Merge pull request #5 from biometrics/finalize_gallery

janus_flatten_gallery proposal
added requested IARPA branding
clarified memory management expectations