percol: removed from submodules
update setup files in setup/
update .zshenv
.gitmodules: remove percol
.zshrc: update
add Cask file
init.el: add autoload-if-found.el
removed Cask managed files
load ~/.emacs.d/elisp/ag only if it exist
auto-async-byte-compile: don't compile init.el
.gitignore: don't track .cask
init.el: update
emacs: use locate-library
flycheck-cask-conf.el: new
package-list.el: add some comments