* backport: switch scope of responsibility between a TRI_vocbase_t and a LogicalView in respect to view creation/deletion
* backport: ensure arangosearch links get exported in the dump
* backport: ensure view is created during restore on the coordinator
* Updates for ArangoSearch DDL tests, IResearchView unregistration and known issues
* Add fix for internal issue 483
* issue 458.2.1: ensure LogicalCollection presence is checked before granting/revoking permissions
* try to address test failures
* backport: support wildcard for database too
* create collection before granting
* adjust ruby tests to expect behaviour as defined by issue #458
* adjust expected Ruby test result
* create required collection in Ruby test
* revert back to previous test code since Ruby refuses to create required collection
* missed revert
Vasiliy