Moved addObservationsLayer and addTileLayer from /observations/map.js
Added multiple observations tile grid/points to map
Added Windshaft script endpoint_server.js to project root. Move it somewhere appropiate
changed density grid query to include taxa below current shown taxon
Modified points sql to show not only points by taxon_id, but also take ancestry into account
Added experimental style to points layer, fixed parenthese error in queries
Tiles_url now retrieved from config.yml
Created windshaft directory
Click on observation retrieves json representation via ajax call
Single observation map infowindow pulls now data in html format
Single observation map allows only one infowindow at a time
appears as modified, commiting
Removed windshaft dir
Merge branch 'aescobarr-master' into aescobarr-integration

Conflicts:
	public/javascripts/translations.js
Merge branch 'aescobarr-integration' into windshaft
Added local version of wax.
Merge branch 'master' into windshaft
Added satellite and terrain map layers back.
Map updates to obs/show
* forked wax to support minZoom and maxZoom
* add observations/map for testing
* revised the grid/point layers to control visibility from the client
* stopped making interactivity requests for layers that don't support
  it, like grids
* added loading dialog for obs infowindows that haven't loaded yet
Merge branch 'master' into windshaft