* Make isRestore work in the cluster.
This covers sharded collections with default sharding and non-default
sharding.
* always use locally generate revision ids for storing and looking up documents
* fixed issue #3075
* update the known issues document, as some issues have already been fixed
* speed up equality lookups in unique vpack indexes
* Allow for re-use of RocksDBKey objects through transaction leaser.
* Converted all RocksDBKey variants to non-static constructors.
* fixed issue #3075
* update the known issues document, as some issues have already been fixed
* speed up equality lookups in unique vpack indexes
* fixed wording
* cleaning up several duplicate versions of Index::memory, Index::cleanup, Index::drop, integrating branch issue-383-ensure-delete
* fixing wrong column family
* reduce extractions to projections
* recycle string buffers in SocketTask
* micro optimizations for mmfiles indexes
* added special lookup function for _key
* moved function into the correct file
* speed up key buffer allocations a bit
* added noexcept specifier
* correctly name variable
* explicitly move bounds
* fix and speedup from/toPersistent functions
* reuse string from ManagedDocumentResult for multiple lookups
* use move-assign
* a bit less work for single server
* speedup AQL function HASH
* single fetch optimization
* performance optimization for the case when no documents need to be returned
* make reduce-extraction-to-projection a RocksDB-only optimizer rule
* cppcheck
* try to fix compile error on MacOS
* bug fix for MacOSX
* missing namespace (in Windows compile)
* reduce extractions to projections
* recycle string buffers in SocketTask
* micro optimizations for mmfiles indexes
* added special lookup function for _key
* moved function into the correct file
* speed up key buffer allocations a bit
* added noexcept specifier
* correctly name variable
* explicitly move bounds
* fix and speedup from/toPersistent functions
* reuse string from ManagedDocumentResult for multiple lookups
* use move-assign
* a bit less work for single server
* speedup AQL function HASH
* single fetch optimization
* performance optimization for the case when no documents need to be returned
* make reduce-extraction-to-projection a RocksDB-only optimizer rule
* Testing hash for documents
* fixing logspam error
* added base support for kHash in the edge index
* Current version of hash enabled edge index
* removed rocksdb key type byte, dynamic prefixes for hash-index
* Fixing issues with key classes
* Fixing merge conflict
* Fixing version with semi-working hash index
* fixing various issues
* Fixing hanger in EdgeIndexIterator nextExta, when _cache is disabled. Reenable cache
* Fixing geo index bounds, and fillIndexes error handling
* Adding back failure point
* Fixing RocksDBKey::vertexId
* Added version check on startup
* Fixing version check
* added one more check
* properly detect column families at startup
* Adding additional sanity checking
* Adding missing column family
* some fixes
* Turned off geoindex sync
* fixed error
* added asserts (untested)
* Adding more asserts
* 'devel' of https://github.com/arangodb/arangodb: (54 commits)
attempt to fix races in replication
grunt build
use exclusive transaction in syncer
change feature order around
dashboard
added api cluster api routes
add selection of storage engine
use some parallelism
micro optimizations
Fix truncate for geo
added assertions
remove unused include
try to fix initial sync problem
remove unnecessary includes
Finally fix the error where suddenly an array of dbservers are being called
Update queryView.js
initialize bool variable
remove debug output
removed unused private field
Wrong index number
...