fix vagrant reload and vagrant ssh
add html5.vim
docker v0.10
parameterize ruby role
enable rubocop syntastic checker
tmux: ctrl-a twice to jump to the last window
better explanation for tmux base-index config
make bin/hostip

It returns the private ip of the host computer.
add clojure role
upgrade to ubuntu 14.04
change cursor to vertical bar in insert mode

Changing the cursor between modes helps avoid issuing commands for the
wrong mode, and the vertical bar clearly indicates where text will be
inserted.
allow failures of plugin downloads
parameterize node role
speed up ssh a bit
add python role
proxy dns requests to host machine

This seems to speed up git requests a lot.
compile vim with python2 and 3 support
build latest tmux from source
solarize tmux