Overwrite existing apt_repository resources, fixes COOK-889
Overwrite existing apt_repository resources, fixes COOK-889

llaurent/opscode-cookbooks-apt,swistaczek/apt,portertech/apt,aerickson/apt,tmatilai/chef-apt,cookbooks/hw-apt,puckel/apt,scalarae/apt,Alukardd/cookbook-apt,Altiscale/apt,rockaboxmedia/apt,pwnieexpress/apt,NREL-cookbooks/apt,pwnieexpress/apt,lewg/chef-apt,sabcio/apt,VertiPub/apt,Altiscale/apt,josephholsten/opscode-cookbooks-apt,Shopify/chef-apt,mattray/apt,protec-cookbooks/apt,ikkyotech/OpsworksNodeAddons,rackspace-cookbooks/rackspace_apt,whiteley/apt,Tealium/apt,cookbooks/oc-apt,scalarae/apt,Rockstar04/apt,Tealium/apt,samstokes/apt,chef-cookbooks/apt,Youscribe/apt,cookbooks/nd-chef-opscode-apt,yola/apt-cookbook,protec-cookbooks/apt,trinitronx/apt,BarthV/apt,MarkRoddy/apt,puckel/apt,brumschlag/apt,opscode-cookbooks/apt,brocksamson/apt,chrisroberts/apt,balmbees/apt,edmunds-chef/apt,otype/chef,opscode-cookbooks/apt,h4ck3rm1k3/apt,BarthV/apt,ikkyotech/OpsworksNodeAddons,fooforge/apt,brumschlag/apt,h4ck3rm1k3/apt,adambrett-forks/chef-apt,gswallow/apt,ortoo/apt,mrdavidlaing/apt,democracyworks/apt,wrbooth/apt,chef-cookbooks/apt,PolicyStat/apt,knuckolls/apt,paulschwarz/apt,balmbees/apt,Rockstar04/apt,Agiley/apt,PolicyStat/apt,MattMencel/apt,jtimberman/apt,eteeselink/apt,andrewgross/apt,edmunds-chef/apt,gravitystorm/apt,nilsga/apt,ouranos/apt,VertiPub/apt,tomgl/apt,CodePen/apt,patcon/apt,Alukardd/cookbook-apt,mchesnut/apt,patcon/apt,hw-cookbooks/apt,daptiv/apt,Banno/apt