Model as an EventEmitter
Before/After events at Repository.save method
Before/After events at Repository.update method
Before/After events at Repository.remove method
Removed EventEmitter2. Using core events
Updated documentation
Swagger models should reflect required properties.
added test case
Also respect required props in legacy schemas. Fixes #1097.
Changelog: fixed #1097.
Merge pull request #1106 from triAGENS/mandatory-swagger

Mandatory swagger (fixes #1097)
allow lazier querying of hash index
Merge branch 'devel' of https://github.com/triAGENS/ArangoDB into devel
Doc update
fixed syslog
updated CHANGELOG
updated documentation
Merge pull request #1096 from sarhugo/model-events

Model events
added new graph function _connectingEdges
Merge branch 'devel' of https://github.com/triAGENS/ArangoDB into devel