* issue 511.8: remove a redundant IResearchLinkDrop marker, it does the exact same thing as IndexDrop that is also written to the WAL
* add a comment for deprecated markers
* 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: (34 commits)
remove unused files (with long filenames that produce problems on Windows checkouts)
attempt to fix Windows test
fix recovery tests
Added more RocksDB passthrough options.
Raise transaction replication timeout to adjust for sporadic RocksDB latencies.
cleanup
unified
Fixing mem leak
fixing small issue
Fixed dump test
Count fix & tests enabled
Fixing parser bug
RocksDB Fülltext index
alphabetic order
Fixing warnings and errors
My friend ruby and his best pal openssl went into the windows bar for drinking...sad
attempt at fixing occasional fatal errors accessing clustercomm instance on shutdown
broke devel and fixed
increase the size of the intermediate disk image
osx fix on funny fail
...