check for custom_dimension before using it, correct error msg
Merge pull request #1 from ahall-medullan/serialized-clientid-fix

check for custom_dimension before using it, correct error msg
Added some changes to faciliate automated functional testing
Merge branch 'serialized-clientid-fix' of https://github.com/sheldonhall/meda into serialized-clientid-fix
Doing a merge
Adding ability to set campaigns
Merge branch 'serialized-clientid-fix' into config-poc