#785 - adding a Default PassthroughPayment rollback service and gateway configuration
Fixes #788 - For adding sub collection items via a lookup you cannot always trust the type value from the submitted EntityForm
Revert "Fixes #788 - For adding sub collection items via a lookup you cannot always trust the type value from the submitted EntityForm"

This reverts commit ba186a19d846da7d02765249dd7ed0fa7241bb15.
#819. Added concept of admin server for Solr, to support swapping of
cores in Solr 4.4 and higher.(cherry picked from commit deccf1354f31f66e4b7e6436281fba5a35e8a179)
Merge branch 'BroadleafCommerce-3.1.x' into develop