Switch from $DEV environment variable to $dev.
Merge branch 'master' of github.com:kabanovdmitry/config
Add keymap to be able to use russian layout in Vim.
Change: modify Airline status line.

Now Unicode symbole for VCS branch is used. Also, status line shows
when keymap is turned on.
Add keymap for Russian GOST layout.

This layout is conformed to Government Standard (GOST) of the USSR
for russian typewriter keyboards.
Merge branch 'master' of github.com:kabanovdmitry/config