New implementation of scim-extension-entities
Merge remote-tracking branch 'origin/develop' into develop

Conflicts:
	resource-server/src/test/groovy/org/osiam/storage/entities/UserEntitySpec.groovy
New implementation of scim-extension-entities
[test] fixed tests to reflect changed User.addOrUpdateExtensionValue
method signature
[fix] set extensionField reference before checking containment in the set
Migrate to Jackson 2.2.3
Migrate to Jackson 2.2.3 and use custom User deserializer
cleanup
Upgraded scim-schemas dependency
Only supported type of extension is STRING at this point
Merge pull request #34 from wallner/OSNG-192

Only supported type of extension is STRING at this point