Switched back to RelativeLayout in main activity, added basic SweepDataDetail fragment
Add in detection for in progress sweeps
Added line separator for sweep detail
Heatmap coloring shows best parking situation for a street.  Before it used to show the left or ride side arbitrarily.
Merge branch 'master' of https://github.com/terranlune/SFSweep

Changes include:
* In progress sweep support (#13)
* Better heat map coloring

Conflicts:
	res/layout/map_demo_activity.xml
	res/values/colors.xml
	src/com/sfsweep/android/SfSweepActivity.java