Various NITS

1. Hijack Save command to update the gist on the cloud while the gist is
attached
2. Properly reflect the * in the title of scratchpad window
3. Properly set the source and name of the first file while attaching
the gist.
Add gist to recent file list
++version == 0.6
Merge pull request #3 from scrapmac/master

^.^