Build JavaScript and Less sources with SBT
Add preliminary support for r.js, ECO and workbench
Update project/js/*/*.js to work with Rhino
Implement EcoPlugin for compiling Eco templates
Refactor RequireJS support and add minification of bokeh.js
Don't generate config.js from grunt anymore
Remove common/ticking from main.coffee
Add custom implementation of WorkbenchPlugin
Add support for concatenation of CSS files
Add support for minification of CSS files
Use curl instead of wget in sbt
Add attribution to WorkbenchPlugin.scala and disable plugin for now
Fix generator of combined CSS files and add logging
Make requirejs task depend on build instead of resources
Don't include "workbench" in requirejs invocations
Fix ECO plugin to output AMD-compatible code
Custom implementation of Less plugin on top of lessc 1.7.0
Merge branch 'master' into sbt

Conflicts:
	.gitignore
Inverted -D option into -d (devel js and css) defaulting to False and also available through a env variable.
Add information about sbt to dev_guide.rst