Fixed a problem with waitForSync parameter. Returned type is string, not boolean as expected
Added an error for the graph module. It will be thrown on the attempt to add an orphan collection that is already used. Also alloed orphan collections for restrictions in fluentAQL
Merge branch 'devel' of github.com:triAGENS/ArangoDB into devel
Added joi.
Added node net, sys.
Implemented Joi validation/toJSONSchema with legacy fallback. See #926.
Implemented Foxx model auto-validation with joi.
Don't clone objects just to throw them away.
Added documentation for errors and isValid.
Docs consistency.
Adjusted Foxx Model docs to use joi instead of legacy schema.