Merge pull request #124 from UQ-CMM-Mirage/mirage-prod

The license selection form changed the license prematurely
Exclude doc-cleanup branch from Travis CI
Merge pull request #221 from crawley/datafile-migration

Datafile migration part 2
Allow/fix admin search for Dataset, Datafile, Replica and Location by 'id'
New django command for changing experiment ownership.
Filter for 'admin' files
Merge branch 'master' of github.com:crawley/mytardis into dev