Git ignoring target/
Logging prettier sequelize errors
Added the isMediumString validator
Expanded the isLoggedinUser validator functionality
Added a GrasshopperUtil.toArray function
Groups and organisational units

Introduces support for groups and organisational units

Only creating and getting organisational units has been implemented so far

Unfortunately this required some patching of sequelize which have been
merged into their master branch but haven’t released yet.
Parsing parentId when retrieving org units
Fix anonymous users getting orgunits
Events
Series and events
Added xml2js as a dependency so RSS can be parsed
Added some tests to retrieve serie calendars
Organisational units - Get, Update & Delete
Organisational units - Series get, add, delete
Added missing orgunit rest logic
Added authorization on event deletion + self-review on events
Not dumping tests logs on Travis
Moved cross-application check in groups.updateGroupMembers to the API
Fix iCal rendering/parsing for cozy-ical 1.1.2
Fixed up organsiserOthers setter and setting organiserUser by id