DATAGRAPH-388 Support for Labels

* make base-package mandatory
* fix tests
DATAGRAPH-430 Deprecate Legacy Index APIs
DATAGRAPH-388 Support for Labels

* short-class name for default type alias
* updated repository queries to new cypher syntax
* fix tests
* docs
DATAGRAPH-340 3.0.GA Release

* update to Spring Data Commons 1.7.0.RELEASE
* temporarily disable strict checking until fixed in SDC
DATAGRAPH-428 - Prepare 3.0.0.RELEASE.

Updated to Spring Data Commons 1.7.0.RELEASE and Spring Data Build 1.3.0.RELEASE. Updated changelog and notice.
DATAGRAPH-428 - Release version 3.0.0.RELEASE.
DATAGRAPH-428 - Prepare next development iteration.
DATAGRAPH-428 - Added missing repositories.

Fixed indentation in pom.xml.