Properly select and disable recent menu entry for selected gist.
Persist cursor position after save.
Keep the gist toolbar hidden until useful

Also add some buttons on the main toolbar, now that the gist toolbar is
hidden by default.
Add proper accesskeys
Fix an error when trying to load a gist one after another
Anonymous Gist support. version++
s/true/"true"
Merge pull request #5 from scrapmac/master

UI changes and Anonymous gist support.