Update README to reflect correct install path.
Merge pull request #9 from orias/patch-1

Update README to reflect correct install path.
Merge branch 'master' of git@github.com:kassoulet/gedit-focus-autosave.git
Save under $HOME under a dotfolder

* unsaved edits are then on a persistent
file system
* and 'out of the way' since the folder won't
be visible unless the user is looking for it

Signed-off-by: Ozan Safi <ozan@oscorp.se>
Add unsaved document counter

This is needed in cases where there are
multiple unsaved documents at the same time.

Signed-off-by: Ozan Safi <ozan@oscorp.se>