fix order of arguments to metadata_links

see boundlessgeo/gsconfig#53
Add a the Leaflet.Fullscreen plugin as a default with Leaflet preview on layer_detail view
Other strings marked as  translatable
Merge pull request #1625 from menegon/translations

Other strings marked as  translatable
Use Javascript to detect plugin presence
Modify Links model to generate GetCapabilities links for WMS, WFS, WCS services

Update template full_metadata.xml for ISO XML to include these links
Restored 'OWS' link, but with added params for GetCapabilities response
fixed permission check for publishing wms
make flake8 happy except long lines
added license_help_text
document type (subtype) search
added doc file types
added archive facet
Merge pull request #1637 from ischneider/flake8-pavement

make flake8 happy except long lines
Merge pull request #1638 from state-hiu/licenses_minor_fix

License Help Text.
I will make flake8 happy right after.
Satisfying a pep8 recommendation.
PEP8 Fixes for E128
small PEP8 fix
Moved populate_maplayers, adjusted import statement in tests.py.
Merge pull request #1640 from brylie/master

Moved populate_maplayers, adjusted import statement in tests.py. Fixes  #1473