Don't try to save files when you don't have the permissions to do so
Quote buffer-file-name in prelude-open
Simplify prelude-rename-file-and-buffer
Add autoloads for PKGBUILD and .zsh file
Add kk keychord for just-one-space
Merge pull request #320 from toctan/master

Add autoloads of major modes for PKGBUILD and .zshrc file
Pull in upstream changes