updated this command to utilize the ruby Git object, to take advantage of the TM_GIT environment variable
updated this command to utilize the ruby Git object, to take advantage of the TM_GIT environment variable

jcf/git-tmbundle,kevinsawicki/git.tmbundle,jcf/git-tmbundle,jacob-carlborg/git.tmbundle,timcharper/git-tmbundle,prymatex/git.tmbundle,textmate/git.tmbundle,textmate/git.tmbundle,prymatex/git.tmbundle,kevinsawicki/git.tmbundle,textmate/git.tmbundle,prymatex/git.tmbundle,timcharper/git-tmbundle,prymatex/git.tmbundle,jacob-carlborg/git.tmbundle,pkmiec/git.tmbundle,pkmiec/git.tmbundle,pkmiec/git.tmbundle