added earmarks section for politician
section indicator dict for landing pages
removed a bunch of trailing whitespace
many changes related to bringing summaries into the context and serializing them as json objects on the entity landing org contributions section
another whitespace delete
added d3.layout module
added link for d3.layout and added it to MEDIASYNC dict in settings
added code for two-pane pie and bar charts
subclassing EntityLanding for common tasks used by the entity landing sections
disabling sections that haven't been implemented fully yet
added two-pane pie and bar charts to organization landing page
Missing Http404 import
fixed keyvalerror for pol entity type
Merge branch 'new_nav' of github.com:sunlightlabs/brisket into new_nav
Merged from new_nav and fixed conflicts