* remove TRI_ERROR_INTERNAL usage
* prevent assertion failure from occurring
* ensure downwards-compatibility for explain handler
* allow schmutz to drop system collections as well - needed for arangojs tests
* 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
* Count as checksum
* Make readLockId optional as well so upgrades are possible
* fix option name in startup script
* fix some replication issues with RocksDB engine
* Take out 503 timeouts altogether.
* Overhaul of AgencyComm::sendWithFailover loop.
* Let performRequests optionally ignore 404 coll not found.
* Fix error message "database not found" when AgencyComm failed.
* Add log entries in Agency if locks are acquired too slowly.
* Reexecute the javascript cluster sync stuff even if there was no plan/current change...So failed sync jobs can retry later...
* Cover callbacks in Communicator by lock. This fixes https://github.com/arangodb/planning/issues/370
* Put in delay in waiting for leader in agency test.
* Schmutz logging to heartbeat topic.
* Add more lock time diagnostic in agent.
* Switch on agencycomm tracing in coordinator.
* Improve Foxx cluster resilience
Fixes#2083Fixes#2384Fixes#2408
Addresses #1892
* Port old Foxx API
* Implement single-file services
* Add console.errorStack/warnStack/infoStack helpers
* Simplify serviceInfo validation
* Extract github/upload logic into Aardvark and old FM API
* Move generator logic into Aardvark
* Move zip/js buffer logic into FM core
* Add Foxxmanager tests
* Send empty response when no README
* Disambiguate script arg format
Historically we allow passing an array of positional arguments or an arbitrary first argument.
This is surprising behaviour, so we should just always treat the value as a first argument.
* Rebuild bundle in development mode
* Nicer HTTP docs formatting
* Create Foxx HTTP docs
* Simplify service upload handling
* Remove inline swagger docs
* Implement public download route
* Consistency
* Rebuild aardvark
* Move bundle route into /_api/foxx/_local
* Rebuild Swagger API docs
* Add changes to CHANGELOG
* More docs