[dotfiles] prezto-migration: source prezto init file and comment remaining file
[dotfiles] Move prompt config into a dedicated file
[dotfiles] remove oh-my-zsh commented lines
[dotfiles] preztorc already load 'emacs' keybindings

Also add 'forward-word' and 'backward-word' with the Crtrl-{left-right}-arrow.
[dotfiles] zshrc: remove commented lines
[dotfiles] prezto: add the main prezto config file
[dotfiles] zprestorc: display a terminal title
[dotfiles] zshrc: source 'extra' file before loading zpresto

The 'extra' file is used to define some env. variables. For some locally
installed packages, you need your updated PATH.
Update TODO file
[dotfiles] zpreztorc: add fasd and zshmarks modules
[dotfiles] Remove 'utility' prezto module
[dotfiles] alias: 'po' alias for 'popd'
[dotfiles] Script to download and install fasd
[dotfiles] alias: alias to jump and bookamrk some dirs thanks to zshmarks
[dotfiles] zpreztorc: do not load zshmarks from zpresto anymore
[dotfiles] new way to install and load some dependencies
[dotfiles] zshrc: call the init.zsh file in ~/.external-foggy
[dotfiles] bootstrap: recursively clone prezto