Extended zsh history.
Replaced ruby install script with one written in bash.
Refactured install script to accept parameter to install or remove
dotfiles.
Added x-flag to install script.
Merge branch 'master' of 3st.be:dotfiles
Ls --ignore is not working in freebsd. Replaced option with sed
pipe.
Fixed unset variable after renaming SCRIPT to SCRIPT_DIR.
Added vi alias if vim exist on system.
Updated readme.
Setting virsh default uri if kvm and virsh is installed.