Merge branch 'ak/instaweb-python-port-binding-fix' into next

The "instaweb" bound only to local IP address without "--local" and
to all addresses with "--local", which was the other way around, when
using Python's http.server class, which has been corrected.

* ak/instaweb-python-port-binding-fix:
  instaweb: fix ip binding for the python http.server

git-instaweb.sh

@@ -694,9 +694,9 @@ class GitWebRequestHandler(CGIHTTPRequestHandler):
 		return result
 
 
-bind = "127.0.0.1"
+bind = "0.0.0.0"
 if "$local" == "true":
-	bind = "0.0.0.0"
+	bind = "127.0.0.1"
 
 # Set our http root directory
 # This is a work around for a missing directory argument in older Python versions