Merge pull request #1 from jcbertin/master

Merge changes from jcbertin for OSX support, new features, and other misc improvements
Update ChangeLog with improvements from jcbertin
re-wrap help output to stay within 80 columns (99-helplines test)
Mention Limitations documentation in BUGS, disable parallel run of tests as it doesn't work
Quiet extra errors about gnome-config when it's missing (for fuse)