Setup python symlinks for python on stateful partition.
Setup python symlinks for python on stateful partition.

Change-Id: Ifbfbd3b55ae97ea94ea5bba40a001c6a1ddbf7a0

BUG=720
TEST=Ran suite_Smoke in a VM and ran python from command line and checked
to see if I could import packages from /usr/local/site-packages.

Review URL: http://codereview.chromium.org/3972001

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