Set new Melange version number to 2-1-20150126 in app.yaml.template

Change-Id: I7bdf21ef9440471bb7a599a4cb5ca0d2fdfa796c
diff --git a/app/app.yaml.template b/app/app.yaml.template
index 41dd3c9..a4d835f 100644
--- a/app/app.yaml.template
+++ b/app/app.yaml.template
@@ -15,7 +15,7 @@
 # TODO(proto): uncomment and supply a Google App Engine application instance
 # application: FIXME
 # TODO(release): see the instructions in README about the "version:" field
-version: 2-1-20150123
+version: 2-1-20150126
 runtime: python27
 api_version: 1
 threadsafe: false