finished danger chart with zoom levels
- start playing from the selected week
- add traffic flow slider
Wiring up the UI
- hide nodes that have all hidden roads
- made hide road selection based on status range
finished charts. mafeesh amal now as count instead of probability.
Merge branch 'bahia' into hackathon-bahia

Conflicts:
	app/index.html
	app/scripts/controllers/graph_ctrl.js
	app/scripts/services/db_curl.js
	app/views/graph.html
	bower.json
- remove unused roads, add show all roads link
- match calender & graph colors
minor fixes
Merge branch 'hackathon-bahia' of https://github.com/karimAlaa/viz into hackathon-bahia

# By Ahmed Ali
# Via Ahmed Ali
* 'hackathon-bahia' of https://github.com/karimAlaa/viz:
  - remove unused roads, add show all roads link
Merge branch 'hackathon-bahia' of https://github.com/karimAlaa/viz into hackathon-bahia

Conflicts:
	app/scripts/controllers/graph_ctrl.js
- fix to get the right day data
Some UI and Color Enhancements
- fix merge
Mergin new code to UI
Merge branch 'hackathon-bahia' into ui
adding planning and security over lays
Show/Hide security/planning charts on button clicks