Add 'show' to init and set propset

git-svn-id: https://svn.osgeo.org/grass/grass/trunk@56900 15284696-431f-4ddb-bdfa-cd5b030d7da7

lib/python/pygrass/shell/__init__.py

@@ -6,3 +6,5 @@ Created on Sun Jun 23 15:06:46 2013
 """
 
 import conversion
+import show
+