Revert "[vim] search through MRU by default in Ctrl-P"

This reverts commit f0061a72878e4431295f9939823c44fbce79f5f6.
[vim] ignore */doc/tags
Update git modules
Add ruby hash changer
xmonad shitty config
Open PSI+ on 9th workspace
Use dtach instead of dmux
[xmonad] set default cursor