First stab at continous time
Animation works properly again
Merge branch 'master' into continous-time
Use precomputed attrib/uniform locations
Added a column lookup table by name
Added support for series of data
Draw lines between points
Generalized the code to support both lines and points
Update README.md
Update README.md
Hide stats by default
Hide stats by default
Merge branch 'continous-time' of github.com:CMU-CREATE-Lab/data-visualization-tools into continous-time

Conflicts:
	apps/heatmap/README.md