Move git config till after we sync.
Move git config till after we sync.

This deals with the condition where on a clobber we don't actually
re-config to use ssh:// until the second run (because git config is
called before we first sync the code).

Change-Id: Icf1a46aced633b570db9d280b10ae6866af04709

BUG=chromium-os:10545
TEST=Unit tests

Review URL: http://codereview.chromium.org/6027006

trnubo/scripts,BugRoger/scripts,crawford/scripts,gtank/scripts,trnubo/scripts,vmware/coreos-scripts,bcwaldon/coreos-scripts,zhang0137/scripts,fivethreeo/scripts,smilart/scripts,fivethreeo/scripts,mischief/scripts,BugRoger/scripts,BugRoger/scripts,glevand/coreos--scripts,mischief/scripts,nicescale/scripts,trnubo/scripts,mjg59/scripts,endocode/scripts,crawford/scripts,coreos/scripts,vmware/coreos-scripts,fivethreeo/scripts,sigma/coreos-scripts,smilart/scripts,smilart/scripts,bcwaldon/coreos-scripts,gtank/scripts,gtank/scripts,marineam/coreos-scripts,andrejro/coreos--scripts,andrejro/coreos--scripts,endocode/scripts,sigma/coreos-scripts,mjg59/scripts,crawford/scripts,marineam/coreos-scripts,vmware/coreos-scripts,coreos/scripts,zhang0137/scripts,andrejro/coreos--scripts,endocode/scripts,glevand/coreos--scripts,bcwaldon/coreos-scripts,mischief/scripts,nicescale/scripts,marineam/coreos-scripts,nicescale/scripts,mjg59/scripts,zhang0137/scripts,sigma/coreos-scripts