[CHORE] Update migrations directory in Gruntfile.
[CHORE] Update migrations directory in Gruntfile.

zealord/gatewayd,whotooktwarden/gatewayd,xdv/gatewayd,crazyquark/gatewayd,Parkjeahwan/awegeeks,whotooktwarden/gatewayd,xdv/gatewayd,crazyquark/gatewayd,zealord/gatewayd,Parkjeahwan/awegeeks