Revert "cros-workon: change forall into iterate"
Revert "cros-workon: change forall into iterate"

This breaks cros-workon list, which is used by build_packages.

This reverts commit dc3359ba7cd3d67886a958d580e83bdce9e14faf.

Review URL: http://codereview.chromium.org/3008005

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