Some API clarification.
New observer: Chartarea observer
Some API clarification.
New observer: Chartarea observer
A new utility module: LaTexCalculation.
Use the function "solveLaTex" to generate functions from latex strings
Changed default equation color to yellowish.
Charts now take over drawing responsibilities for equations
Charts draw all equations on the board.
Fixed equation observer inverted scaling.
Merge branch 'ChartObserver' of github.com:jbrowne/UCSBsketch into ChartObserver

Conflicts:
	linux/Observers/ChartObserver.py
Start at multiple windows for video purposes.
Merge branch 'ChartObserver' of github.com:jbrowne/UCSBsketch into ChartObserver

Conflicts:
	linux/Observers/ChartObserver.py
Warping now only happens when we have some stroke data to process.
Some thresholds have been made explicit.
Beginning of adding filtering mask to BoardChangeWatcher.
Implemented the mask for the board in BCW.
Some whitespace cleanup.
Modified saveimg to better incorporate a description name.
Changed findChessboard so that it checks coarser granularity of eroded images.
Made setBoardCorners work with non-extreme targetCorners.
Some pep8 changes.