Changes GEOSERVER path to be relative
Replace all /geoserver/ instances with GEOSERVER_URL
Merge branch 'master' of github.com:gem/oq-platform into gs-relative-url

Conflicts:
	openquakeplatform/openquakeplatform/local_settings.py.template
Merge branch 'master' of github.com:gem/oq-platform into gs-relative-url

Conflicts:
	openquakeplatform/openquakeplatform/local_settings.py.template
Revert commit on line 315
Merge pull request #217 from gem/gs-relative-url

Change GEOSERVER path to be relative