Changes to Li's commit from 7/15.
- Cleared JS errors (from print.js-related changes)

TODO:
- Location of time-slider
- Location of toolbar items
- Display of currently active tool
Merge pull request #24 from DVAlhadeff/master

Changes to Li's commit from 7/15.
Updated Base layer indices.
Updated to correspond with new map service (7/24)
Age group chart.
Adding xml file for Student Population information.
Changed Student Population chart to csv.
Merge pull request #25 from DVAlhadeff/master

Quick Updates to charts/graphs/data.
Merge remote-tracking branch 'upstream/master'

Conflicts:
	index.html