Adds TILESTREAM_URL var in local_settings.py
Adds TILESTREAM_URL var in template and moves the script part in the right place
Adds TILESTREAM_URL var in another template
Creates TILESTREAM_URL context in render to response
Merge branch 'master' of github.com:gem/oq-platform into ts-url-config

Conflicts:
	openquakeplatform/openquakeplatform/templates/site_base.html
	openquakeplatform/openquakeplatform/utils.py
Merge branch 'master' of github.com:gem/oq-platform into ts-url-config
Merge pull request #218 from gem/ts-url-config

Move TS_URL to a setting in local_setting.py