remove components
add ipython-components as submodule
use components from external submodule
fix submodule
ensure submodules exist prior to doing anything

git submodule update fires before distutils gets fired up
because distutils cannot be trusted.
update components ref
remove unused components

remove command from fabfile

components live in a submodule
move external/components to components
update components ref
use less from components
Merge pull request #3240 from minrk/submodules

remove js components from the repo