users cookbook: Allow user gid to be specified.
users cookbook: Allow user gid to be specified.

gravitystorm/cookbooks,beni55/cookbooks,gravitystorm/cookbooks,dagolden/opscode-cookbooks,pcreux/cookbooks,dagolden/opscode-cookbooks,beni55/cookbooks,dbroeglin/cookbooks,beni55/cookbooks,dbroeglin/cookbooks,pgroudas/cookbooks,pgroudas/cookbooks,dbroeglin/cookbooks,beni55/cookbooks,pcreux/cookbooks,DataDog/opscode-cookbooks,gravitystorm/cookbooks,beni55/cookbooks,DataDog/opscode-cookbooks,beni55/cookbooks,DataDog/opscode-cookbooks,pgroudas/cookbooks,dagolden/opscode-cookbooks,pcreux/cookbooks