updated readme to point to this repo

Author: RootLUG

README.rst

@@ -20,12 +20,7 @@ The source code can be checked out from the github repository with
 
 ::
 
-    git clone git://github.com/smarnach/pyexiftool.git
-
-Alternatively, you can download a tarball_.  There haven't been any
-releases yet.
-
-.. _tarball: https://github.com/smarnach/pyexiftool/tarball/master
+    git clone [email protected]:RootLUG/pyexiftool.git
 
 Installation
 ------------