transferred casting of stats to template and added documentation to stats model
Merge pull request #360 from 18F/stats_fix

Change API to return floating point median
Start showing the FOIA libraries again
Merge pull request #361 from 18F/show_libraries

Start showing the FOIA libraries again
Lots of SASS fixes, inner is now a mixin not a class. Moving lots of layout classes to semantic classes.
Merge branch 'master' of github.com:18F/foia-hub into responsive
Adding normalize, new sass file for grid settings, flag.