bootstrap: set vundle install flag
bootstrap: set vundle install flag

On the first run of VIM, since we're install Vundle outside the scope
of VIM, make sure to set the install flag, so that Vundle will go fetch
all the pieces needed.

Signed-off-by: Dan Kalowsky <9431e108b67d1efa9df54e6351da1951bcd9be32@deadmime.org>

dkalowsk/dotfiles,dkalowsk/dotfiles