Merge pull request #4 from point97/marine_planner

Marine planner
gitignore /deps
redirect /media/(.*) to /static/%1, for data_manager
first pass at ocean story map view

loads and switches section state:

 - map view
 - base layer
first pass at ocean story map view

loads and switches section state:

 - map view
 - base layer
use dependency injection pattern to factor out leaflet map engine
switch ocean stories deps from CDN to bower
Proj.GeoJson to handle other coordinate systems
ocean story runner tidy up, refactor, vector styling
add ArcRest support
Move map state into OceanStory model, just as JSON for now
add rest_framework to apps, needed for API explorer assets/templates
libsass 0.6.1 fixes support for older gcc
add old ROADMAP from my working copy, README update
move navbar into a template tag and wrap in a "header" block
ocean story: compose sticky header with .navbar and #map
put extra_css block before site css, allowing site to override apps
wire up story transitions to scroll state. first working prototype!
fix the section detection logic a bit
Merge pull request #5 from point97/data_manager_ocean_stories

Ocean story frontend first pass