Merge pull request #316 from lukecampbell/attribution

Adds attributions

Author: benjwadams

Diff for: ioos_catalog/static/attributions.txt

@@ -0,0 +1,19 @@
+Earth (earth.png)               - Copyright NASA under the Creative Commons 2.0 License
+                                - Source https://www.flickr.com/photos/gsfc/
+
+Earth Bathymetric (bathy.png)   - Copyright Kevn M. Gill under the Creative Commons 2.0 Share-alike License
+                                - Source https://www.flickr.com/photos/gsfc/
+
+Gliders (gliders.png)           - Copyright 2014 Rutgers Marine & Coastal Sciences
+                                - One source of many http://marine.rutgers.edu/main/Featured-Student/Featured-student-Donglai-Gong.html
+
+Wind Currents (map.png)         - Image is a capture of software and not copyrighted.
+                                - Software is Copyright 2014 Cameron Beccario under the MIT license.
+                                - Source: http://earth.nullschool.net/
+                                - Source: https://github.com/cambecc/earth/blob/master/LICENSE.md
+
+Wave (wave.png)                 - Copyright 2010 Sunova Surfboards under Creative Commons License
+                                - Source https://www.flickr.com/photos/sunova_surfboards/5444811562/
+
+The remaining images are Copyright 2014 RPS ASA Used with permissions and distributed freely under the Creative Commons 2.0 Share-alike License.
+        

Diff for: ioos_catalog/templates/landing.html

@@ -64,9 +64,13 @@ <h5>{{ total_datasets | safe }} Datasets | {{ total_services | safe }} Services<
           </a>
         </div>
     </div>
-
+  </div> <!-- row -->
+  <div class="row">
+    <div class="col-md-2 pull-right">
+        <a class="text-muted" href="{{url_for('static', filename='attributions.txt')}}">Photo Attributions</a>
+    </div>
   </div>
-   <!-- row -->
+
   <div class="row news">
     <div class="col-sm-12 col-md-6"> <!-- social media -->
       <h1> SOCIAL MEDIA </h1>