PHPOffice/PHPPowerPoint — pull request #68 by pr0phet (2014-12-03 17:07:07+00:00)
Title: Adding Group support for PowerPoint2007.

Changes include:
1. Adding the ability to group shapes together on a slide.
2. Adds (or corrects, depending on perspective) extent and offset calculation on slides.
3. Unit test for new Group object.
4. New sample (09) to generate PowerPoint with grouped objects.
5. Change to CHANGELOG.md.