BLD: Strip leading v in git describe version string

Author: y-p

setup.py

@@ -211,7 +211,7 @@ def build_extensions(self):
         if sys.version_info[0] >= 3:
             rev = rev.decode('ascii')
 
-        FULLVERSION = rev
+        FULLVERSION = rev.lstrip('v')
 
     except:
         warnings.warn("WARNING: Couldn't get git revision")