Fix for when gml has 'null' in it's elements.
Add getFeatureInfo for arcgis.

Including an automatic selection for the correct GetFeatureInfo
mimetype.
Add WMS CQL filters.

- Remove unused FilterPages.
- Add CQL filtering.
Quieted logging
Added image-fullwidth render option, for getting images on a single full-width
line.

Also added a class for width=100% stuff
Added try/except for wms parse errors
Merge pull request #38 from lizardsystem/reinout-GML-parsing-error

Try/except for  gml parsing error
Made the ServiceException error message more debuggable.

Just saying there's an error isn't really useful if you see only that in
sentry. The actual error message is essential.
Better error reporting
Update translation string, config transifex.
Clean buildout.cfg.
Modernize buildout.cfg
Don't use simplejson
Staticfiles part of Django
Add SECRET_KEY
Url helper functions moved
Remove < 5.0 because we want to release 5.0 soon and this will be part of it
Merge pull request #39 from lizardsystem/remco-django166

Remco django166