added bootstrap less files and defined grunt task for css
added isvg con markers for school, kita and playgrounds
some color and webfont styling
added jshint task to grunt
marker variables and content
slider option to define a distance range
moved all map stuff to map.js
styled the results panel
played arround with the geojson datas from olf
Merge branch 'frontend-ui'

* frontend-ui:
  played arround with the geojson datas from olf
  styled the results panel
  moved all map stuff to map.js
  slider option to define a distance range
  marker variables and content
  added jshint task to grunt
  some color and webfont styling
  added isvg con markers for school, kita and playgrounds
  added bootstrap less files and defined grunt task for css
Merge branch 'master' of https://github.com/CodeforLeipzig/kidsle

# By Marcello Ceschia (1) and Ricardo Usbeck (1)
# Via Ricardo Usbeck
* 'master' of https://github.com/CodeforLeipzig/kidsle:
  start.sh added
  add javascript sparql library to communicate with sparql endpoint and result translation