Update .gitignore
Add sourceMap options to less task
Rewrite *.coffee files in AMD style
Copy bokehjs' vendor files to build/
Concatenate IPython's *.js files into ipython.js
Wrap ipython.js and codemirror.js with define() (add -amd prefix)
Add support for requirejs in cdx.html
Remove support for hemlib
Fix requirejs imports in ipython and namespace
Link cdx/static to build