fixes a bug when auto-generate audio without recorder pane presents
move recorder management pane to a separate region for readability
fixes #560 and #562
take care of exception thrown when slide is embedded in other application and open from that application
fixes #560 and fixes #562
fixes some resources release bug
Merge branch 'release' into Feature-CustomShapes

Conflicts:
	PowerPointLabs/PowerPointLabs/Ribbon1.cs