[Victory] Make it possible to properly exit auto-completion during
snippet expansion by setting up key binding for `ac-stop`.
Set up custom key binding for `ac-help`.
Automatically turn on auto-complete in org-mode buffers.
Set up custom key bindings for scrolling auto-complete quick help.
Don't truncate lines in auto-complete quick help.
Start using auto-complete sources for org-mode (`org-ac`).
Clean up: Reorder auto-complete variables.
Reduce delay for displaying auto-complete quick help to 1 second.
Set up key binding for command that adds cursor to every line in region.
Turn on rainbow-mode for CSS files by default.