Added a workaround for a bug in OS X 10.7 Lion. Many games running in a virtual desktop cause a crash. This can be resolved by setting the CX_LEAK_XPLUGIN_SURFACES environment variable.
Work around a bug in OS X 10.6.8 Snow Leopard. 10.6.8 generated corrupt icon files which caused occasional Finder crashes. Now we use a different API to generate icon files which bypasses the issue.
Changed behavior of group permissions on certain files. Resolves an issue with .docx files on certain file systems.
