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
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.
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
fixed a few license layout issues
Merge pull request #1641 from state-hiu/licenses_minor_fix_2

License Layout Fix
minor search changes to support reuses

- only depend on leaflet-directive if include_spatial
- use injector to resolve leafletData dependency
- add ability to disable query sync
- fix potential transclusion error in _general_filters
Merge pull request #1642 from ischneider/minor-search-fixes

minor search changes to support reuses
added download button and linked images
minor change to html5 data attributes
Merge pull request #1643 from state-hiu/doc_layout

Document Detail Template Layout Adjustment
add group email, hide manage commands, group logo css
revert css change b/c of less issues
PEP8 fix