Fixes for GAE detection
more updates
appl.yaml configuration/routing updates.  Media file fixes
Merge remote-tracking branch 'upstream/overnumerousness' into overnumerousness-local

Conflicts:
	gae/app.yaml.d/joomla-media.yaml
	gae/app.yaml.d/joomla-site.yaml
	gae/joomla/admin.php
	gae/joomla/site.php
	gae/libraries/joomla/session/storage/gaememcached.php
Nl