Moved all controls to one svg element / started to standardize model control object.
Merge pull request #25 from bennlich/one-svg

Moved all controls to one svg element / started to standardize model con...
Fixed sensor updates.
Merge pull request #26 from bennlich/sensor

Fixed sensor updates.
add push script that updates gh-pages
Reverted TransferFunction to use spline instead of polynomial. Also hardcoded a min distance between control points to make curves tend to be functions.
show veg and severity names in sensors; make sure sensors update live when drawing
Merge pull request #27 from bennlich/tfunc

Reverted TransferFunction to use spline instead of polynomial. Also hard...
improve popup behavior and formatting; some UI stuff
ability to remove sensors, more accurate sensor sampling
add separate functions for erosion and deposit (deposit is percentage of floating silt). change water model to use these functions