Reverse accessor name clashes

[wgu-taylor-payne]

The reverse accessors for ContentLibraryPermission objects on Group and User clash between openedx-platform and openedx-authz:

3.980 ERRORS:
3.980 content_libraries.ContentLibraryPermission.group: (fields.E304) Reverse accessor 'Group.contentlibrarypermission_set' for 'content_libraries.ContentLibraryPermission.group' clashes with reverse accessor for 'openedx_authz.ContentLibraryPermission.group'.
3.980   HINT: Add or change a related_name argument to the definition for 'content_libraries.ContentLibraryPermission.group' or 'openedx_authz.ContentLibraryPermission.group'.
3.980 content_libraries.ContentLibraryPermission.user: (fields.E304) Reverse accessor 'User.contentlibrarypermission_set' for 'content_libraries.ContentLibraryPermission.user' clashes with reverse accessor for 'openedx_authz.ContentLibraryPermission.user'.
3.980   HINT: Add or change a related_name argument to the definition for 'content_libraries.ContentLibraryPermission.user' or 'openedx_authz.ContentLibraryPermission.user'.
3.980 openedx_authz.ContentLibraryPermission.group: (fields.E304) Reverse accessor 'Group.contentlibrarypermission_set' for 'openedx_authz.ContentLibraryPermission.group' clashes with reverse accessor for 'content_libraries.ContentLibraryPermission.group'.
3.980   HINT: Add or change a related_name argument to the definition for 'openedx_authz.ContentLibraryPermission.group' or 'content_libraries.ContentLibraryPermission.group'.
3.980 openedx_authz.ContentLibraryPermission.user: (fields.E304) Reverse accessor 'User.contentlibrarypermission_set' for 'openedx_authz.ContentLibraryPermission.user' clashes with reverse accessor for 'content_libraries.ContentLibraryPermission.user'.
3.980   HINT: Add or change a related_name argument to the definition for 'openedx_authz.ContentLibraryPermission.user' or 'content_libraries.ContentLibraryPermission.user'.

[wgu-taylor-payne]

This issue spawned from a development branch, and will be addressed there.