reorganized files and directories
generalized DataMenu for getting json data
new resize.js; updated Histogram with new data flow
modifying scatter
moved to m namespace and adopted new module style
text field autocomplete and draw reaction at point
directions for reaction arrows
Loading model data. More flexible reaction rotation.
line colors and flux labels
colored arrowheads
style for metabolites
removed old, unused code
curved reaction arrows; started rotation functionality
primary and secondary mets
Beginning of primary key selection and keypress listeners
modified jquery.ui.autocomplete for desired ENTER and TAB behavior
setting up for nested data with d3

reaction > metabolites
reorganized draw_reactions.

Now we can update just a subset of reactions
Nested data is functional.

Also added loading box, and cleaned up many comments
input box moves with svg scale and translate