custom field support; don't forget to remove duplication
Custom Fields belong to a Party
organization and person are both parties
need all of the attributes
custom fields are a bit weird; they don't get created, they get added to something else
data_tag and tag are redundant; whoops!
Merge branch 'master' into custom-field-support
Merge branch 'master' of github.com:srbaker/capsule_crm