Fixes #4870, bz1113398 - Added missing foreign key associations

Also contains updates to association tests if foreign key constraints
are not defined in 'belongs_to' associations for all Katello models.
Fixes #6409, bz 1113684 - Bulk Product destroy dynflowed.

Dynflowed the bulk product delete code.
Merge pull request #4355 from parthaa/bulk-product-destroy

Fixes #6409, bz 1113684 - Bulk Product destroy dynflowed.
Merge pull request #4353 from parthaa/fk

Fixes #4870, bz1113398 - Added missing foreign key associations
Fixes #6367 - cnsmer_shw auth client/usr BZ1112664

access denied received when registering using subscription-manger using the
consumerId flag was for a preliminary call to check that the consumer
exists. This allows :consumer_show authorization through client or user
instead of solely by client.
fixes #6392 - make repository names editable
Merge pull request #4350 from stbenjam/6392-edit-repo-name

fixes #6392 - make repository names editable
Merge pull request #4338 from dustint-rh/subman_consumer_reg

Fixes #6367 - cnsmer_shw auth client/usr BZ1112664
Worked on org destroy