Merge pull request #304 from mwernimont/master

Download file extension
Merge pull request #307 from mwernimont/master

Created a new page for the Coastal page
Initial code for coastal_region page.
Merged urls.py
Merged in Marty's template into the project and changed the name to
coastal_region.html.
Initial commit of the code which creates the map for a region.

Using a GetCapability request to get the extent of the entire basin and
then zooming to that.
Commit so that I can switch branches
Increased the max_length of the short_definition field in Definition.
Merge pull request #309 from mbucknell/definitions_fix

Increased the max_length of the short_definition field in Definition.
Merge branch 'master' of github.com:USGS-CIDA/nar_ui into NAWQAAN-229

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Added Alaska to the West region map. Added coastal sites layer to the
map. Reorganized the layer creation code.
Added a constant for the NAR namespace.
Merge pull request #308 from mbucknell/NAWQAAN-229

Nawqaan 229
 Merge branch 'master' of github.com:USGS-CIDA/nar_ui
adjustment