added xlsreader library

in processing, go to sketch -> import library and then find Xlsreader
Merge pull request #2 from bwood8/master

added xlsreader library
Added Hover Box

Added Hover box with data. Fixed Radio button error.
added data fields
Merge branch 'master' of https://github.com/bwood8/CS4460-Public-Health-Correlations

Conflicts:
	Homework5_3/Homework5_3.pde
Merge pull request #2 from jdugan6/master

changes
JavaDoc + DoD

Added Javadoc and Details on Demand in Map class
Rearranged Libraries
Merge pull request #3 from jdugan6/master

10/31 changes
Deleted DataReader class
Changed Radio Buttons to Dropdown

Cleaner
Sidebar Linking Update

Implemented linking on mouseover and mouseclick onto the sidebar to
display highlighted or clicked state information.
Merge pull request #4 from jdugan6/master

dropdown added
added snapshot reel at bottom of screen
Added button for "Save this view"
gradient for population