* issue 153: ensure views are dropped in Agency when database is dropped in cluster, minor fixes
* backport: add test to ensure views are dropped when database is dropped from plan, fix some issues in ClusterInfo
* optimize primary key lookups in ArangoSearch
* fix test
* Add JS tests
* temporary comment optimizations
* issue 496.3: move more coordinator-related logic out of TRI_vocbase_t, rename some arangosearch view configuration parameters, remove some consolidation policies, update iresearch to revision 6fd9760d81b136f769e277ea5b8f53996ed7a1ca
* address potential deadlock between link creation and FlushThread
* remove code causing nullptr access
* add back lock around reader reopen
* revert: address potential deadlock between link creation and FlushThread
* invalidate payload for each field in FieldIterator before setting a value
* issue 496.1: switch scope of responsibility between a TRI_vocbase_t and a LogicalView in respect to view creation/deletion
* backport: address test failures
* 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 485: ensure LogicalDataSource::drop() is called on vocbase drop
* add missed change
* backport: address race between make(...) and async job
* add another missed change
* backport: ensure recursive lock reports itself as locked correctly
* backport: address test failure on mmfiles
* backport: remove redundant lock already held by async task
* backport: reset reader before unlinking directory
* Added authentication tests for ArangoSearch views creation (client and task)
* Added authentication tests for ArangoSearch views querying (client and task)
* Added authentication tests for ArangoSearch views update (client and task) and correct other tests
* Added authentication tests for ArangoSearch views drop (client and task) and correct other tests
* Fix tests to support additional 'properties' layer of a view
* Add data to dumped/restored collection with a link from a view to single server test and view dump/restore to cluster tests
* backport from iresearch upstream: use a bitvector instead of an acceptor lambda for consolidation policies
* ensure view access permissions are checked for REST calls
* ensure view access permissions are checked for V8 calls
* do not allow LogicalView property modification if reading the properties fails
* Fixed authentication tests for ArangoSearch views to pass regardless of errorNum and possible multiple REST codes
* add missing ldap feature for enterprise version
* do not store useless data in ArangoSearch index (see #289, #441)
* issue 373.2: move toVelocyPack into LogicalDataSource
* backport: move static DataSource related strings into StaticStrings, add support for registering snapshots on DBServer views
* add initial implementation of scatter view rule and node
* add tests for `IResearchViewNode` and `IResearchViewScatterNode`
* add missing check
* modify IResearch execution nodes to use references instead of pointers
* use view id in searialized `ExecutionNode` representation instead of the name
* add cluster mode stubs and checks
* very first attempt to distribute IResearchViewNode
* further implementation of cluster-wide arangosearch views
* fix invalid json format
* add tests for coordinator iresearch view
* allow to retrieve a list of existing views on a coordinator
* more tests for coordinator iresearch view
* some fixes to enable query explanation
* remove Collection dependency from RemoteNode
* remove unnecessary remote ArangoSearch view scatter
* fix explanation appearance
* add some assertions
* minor fixes
* implement IResearchViewCoordinator::updateProperties
* fix view DDL issues
* handle link modifications in DDL operations
* add coordinator implementation of iresearch view links
* fix tests
* further coordinator based view DDL implementation
* further IResearchViewCoordinator implementation
* add initial implementation of AgencyMock
* fix some tests
* code cleanup
* extend test + some fixes
* more tests for IResearchViewCoordinator
* fix tests for IResearchLinkCoordinator
* some fixes after merge
* fix tests
* remove declaration of nonexistent (previously removed) method
* some fixes after review
* remove string duplication
* more tests and fixes
* more fixes and tests
* more tests
* one more test
* fix 'use-after-free' asan error
* fix non-enterprise tests issues