Custom templates for maps
Fix settings.py
Update language files
Add custom template for CHAwellness map
Fix GetCapabilities
Remove ampersands from TweetMap search filter value
Tweak availability of Save/SaveAs buttons on Boston map
Update language
Hide language selection
Add logging to hoods model
Update gxp
Remove dangling commas
Update save button text code in GeoExplorer
Gazetteer tool with title change for CHAwellness map
Update gxp
Make queue app active by default
Use celery for loadHGL function
Certification of maps/layers
Added support for 'proxy' OGC_SERVER config that allows secondary LOCATION config for public GeoServer access point
Remove redundant config in settings.py
Added an option to updatelayers to check for 'advertised' status of GeoServer layers and skip if false.  Requires modified gsconfig.py
Certification tweaks
Fix syntax error for check of 'CATALOG_WRITE_ENABLED' in layers/models.py
Bug fixes relating to certification
Fix download link
Change to --skip-unadvertised filter to accept 'None' values: in some cases there will be no 'advertised' property in REST API representations
Change --skip-unadvertised option help msg
Merge remote-tracking branch 'upstream/master' into geoserver_proxy
Added back in the 'DATASTORE' key in OGC_SERVER OPTIONS dict that was dropped