Added coffee script preprocessor in gulp
Added reusable heap data structure
Added network package

Added a shortest path algorithm and a subgraph extraction algorithm
moved input normalization and validity checking to a separate reusable function
added geom package
Added algorithm for largest rectangle in a polygon

Finds the maximum area rectangle that fits inside a polygon.
Also added a polygon simplification algorihtm.
Updated version number to 1.4.0 - Teal
updated bower.json to 1.4.0
Merge branch '1.4.0' of github.com:alexandersimoes/d3plus into 1.4.0

Conflicts:
	d3plus.js
	d3plus.min.js
	gulpfile.js
	package.json
	src/begin.js
added builts to repo
bug fixes with textwrap
stacked areas now use largestRectangle
Merge branch 'master' of github.com:alexandersimoes/d3plus into 1.4.0

Conflicts:
	bower.json
	package.json
	src/begin.js
fixed package number
added angle option to area largestRectangle
small bug fixes in d3plus.font.sizes
labels can no specify custom padding
stacked area labels no constrain aspectRatio to the size of the text
updated largestRect function
Merge branch '1.4.0' of https://github.com/alexandersimoes/d3plus into 1.4.0

Conflicts:
	d3plus.js
	d3plus.min.js