Watch frontend js to run browserify
Use gray scale tiles as described at openstreetmap wiki

http://wiki.openstreetmap.org/wiki/Tiles
Tabs to spaces at Gruntfile
Remove unused `static/lib`s
WIP: Remove bootstrap
Initial CSSComb
Move css from lib to static
Add csscomb grunt-task
First run of grunt-csscomb
Remove static libs
Use html5 head style
Remove zoom control, we already have this feature by scrolling and cluster click.
Style h1
Use sans as the default font
Repositioning footer
Add d3 and reorder dependencies
Generalize box border
Add summary filter
Fix color-font
Extract plot task to a function