Added bootstrap and less-middleware packages.
Merge branch 'installing-bootstrap' of https://github.com/jcnesci/twitter-machina into installing-bootstrap

Taking a stab at the less-middleware -Colin
WIP getting bootstrap + less-middleware to work. Less-middleware might be the issue.
added bower and grunt
.DS_Store banished!
add bootstrap to the setup, updated the README with instructions.
initialized the use of bootstrap
Merged bootstrap from colin