Added bash completion support for git-reset.
Added bash completion support for git-reset.

Completion for the --hard/--soft/--mixed modes of operation as
well as a ref name for <commit-ish> can be very useful and save
some fingers.

Signed-off-by: Shawn O. Pearce <f01032651c12a22b2103346ba96b3b6b231f9d3c@spearce.org>
Signed-off-by: Junio C Hamano <dc50d1021234060e53ec42a77d526afa2fe07479@cox.net>

destenson/git,destenson/git,destenson/git,destenson/git,destenson/git,destenson/git,destenson/git,destenson/git