Release version 2.7.12

Parliament version 2.7.12 includes significant improvements: new features, bug fixes, and enhanced stability. See the release notes (https://github.com/SemWebCentral/parliament/blob/master/doc/ReleaseNotes.txt) for details.

Important: The file format of version 2.7.12 is not backwards compatible with older versions. To upgrade the data stored in a prior release of Parliament, please follow the procedure in Section 2.1.2, "Upgrading an Existing Installation", in the Parliament User Guide. This can be found in your Parliament download, and it is also available here: https://github.com/SemWebCentral/parliament/tree/master/doc/UserGuide