modifies .vimperatorrc
Merge branch 'master' into cana

Conflicts:
	.vimperatorrc
replaces AirlineTheme by 'wombat'

AirlineTheme が 'dark' だと，Anthy の候補が見づらかったので変更．
Merge remote-tracking branch 'origin/master' into cana
deletes "cjkwidth on"
precedes utf-8 in fileencodings
defines alias omakeu
Merge remote-tracking branch 'origin/master' into cana