Merge pull request #48 from Edugate/develop

column definition changed
Merge branch 'develop' into 1.x-stable
Merge pull request #49 from Edugate/develop

fix typo to call removing elements from collections
Merge branch '1.x-stable' of https://github.com/Edugate/ResourceRegistry into 1.x-stable
Merge branch 'develop' into 1.x-stable
Merge branch 'develop' into 1.x-stable
Merge branch 'develop' into 1.x-stable
Merge branch 'develop' into 1.x-stable
add protection for (on the fly) metadata generated files