Auto run all install.sh scripts
Auto run all install.sh scripts

This adds a ``script/install`` that iteratively runs all ``install.sh``
scripts located in the dotfiles directory. Solves @holman's request from
commit f697ba7

partounian/dotfiles,d0gd3v/dotfiles,joech4n/zsh-dotfiles,larrybolt/dotfiles,jimmydief/dotfiles,pmcdaniel/dotfiles,d0gd3v/dotfiles,pmcdaniel/dotfiles,zoumo/dotfiles,shawa/dotfiles,jimmydief/dotfiles,kitsunet/dotfiles,tmr08c/dotfiles,fogine/dotfiles,pmcdaniel/dotfiles,joech4n/zsh-dotfiles,fogine/dotfiles,fogine/dotfiles,tmr08c/dotfiles,fogine/dotfiles,kitsunet/dotfiles,larrybolt/dotfiles