Better detect currently installed packages
Better detect currently installed packages

Pulls in https://github.com/chef-boneyard/dmg/pull/24 which avoids the current regex like method and instead requires an exact match.

Signed-off-by: Tim Smith <764ef62106582a09ed09dfa0b6bff7c05fd7d1e4@chef.io>

chef/chef,nvwls/chef,MsysTechnologiesllc/chef,martinisoft/chef,tomdoherty/chef,mattray/chef,jaymzh/chef,tomdoherty/chef,mwrock/chef,MsysTechnologiesllc/chef,nvwls/chef,mwrock/chef,jaymzh/chef,jaymzh/chef,Tensibai/chef,higanworks/chef,mattray/chef,higanworks/chef,mwrock/chef,nvwls/chef,tomdoherty/chef,chef/chef,Tensibai/chef,jaymzh/chef,mattray/chef,mattray/chef,Tensibai/chef,tomdoherty/chef,nvwls/chef,higanworks/chef,Tensibai/chef,higanworks/chef,martinisoft/chef,tas50/chef-1,Tensibai/chef,chef/chef,mwrock/chef,martinisoft/chef,gene1wood/chef,tomdoherty/chef,gene1wood/chef,martinisoft/chef,MsysTechnologiesllc/chef,tas50/chef-1,martinisoft/chef,nvwls/chef,gene1wood/chef,higanworks/chef,tas50/chef-1,nvwls/chef,MsysTechnologiesllc/chef,mattray/chef,chef/chef,tas50/chef-1,gene1wood/chef