add align keybind, region color changed, file auto-complete ignore.
settings: GC, final new line, iswitchb.
delete ac-comphist.dat
Merge branch 'master' of https://github.com/sudo-daiki/.emacs.d

Conflicts:
	conf/06-hook.elc
	conf/20-cc-mode.el
	conf/41-fold-dwim.elc