Accepting two different URIs for license, also the British spelling of licence
Adding validation for Plinian Core terms
Trimming space on license before validating
Merge branch 'master' into add_more_licenses

Conflicts:
	vendor/eol_content_schema_v2/MediaResource.php
Updated archive code to be able to read multiple extensions with same rowType
Merge pull request #6 from eliagbayani/master

SoundCloud connector, new resource.