* Add WITH to graph traversal syntax
* State clearer what where whitespace is ignored in conf files
* Add cross-references between POSITION() and CONTAINS()
* Mention GeoJSON in the description of the useLonLat option
* Troubleshooting: unexpected long running queries
Add remark that collection literals are inferior to FOR constructs and should not be used accidentally instead of variable names
* Add storage engine comparison table, replace hint to note that users might want to pick RocksDB for an installation
* CSS: No margin extra margin after last paragraph in callouts / hint boxes
* do not use V8 variant of AQL functions in early optimization stage when a C++ variant is available
* additionally, simplify AQL function definitions and aliases
* warn when more than 90% of max mappings are in use
* added C++ variant of replication catchup
* added `--log.role` option
* updated CHANGELOG
* removed non-existing scheduler.threads option from config
* removed useless __FILE__, __LINE__ invocations
* updated CHANGELOG
* allow a priority V8 context
* remove TRI_CORE_MEM_ZONE
* try to fix Windows errors & warnings
* cleanup
* removed memory zones altogether
* exclude system collections from collection tests