Fixes #6553/BZ111225: add "repositories" to product resource type name.

There was some confusion about Repository permissions being underneath
Products. This commit simply updates the resource type name to make
it obvious that repositories are also affected by these permissions.

http://projects.theforeman.org/issues/6553
https://bugzilla.redhat.com/show_bug.cgi?id=1112255
Fixes #6551/BZ1112644: show add/remove content hosts if user able

The permissions that show and hide the UI for adding/removing
content hosts to/from a host collection were incorrect.  This commit
fixes those permissions.

http://projects.theforeman.org/issues/6551
https://bugzilla.redhat.com/show_bug.cgi?id=1112644
fixes #6461 - create Katello permissions without quotes in db seeds

Katello seeds was creating incorrect permissions in the Foreman DB by
adding a set of superflous quotes -- e.g., "'Katello::ActivationKey'".
This commit removes the extra quotes.
Merge pull request #4411 from waldenraines/6553

Fixes #6553/BZ111225: add "repositories" to product resource type name.
Merge pull request #4415 from stbenjam/6461-duplicates

fixes #6461 - create Katello permissions without quotes in db seeds
Fixes #6411 - filter content param in CU BZ1111484

The content param in the content_uploads action is causing
the log to fill up with garbage since content is binary.  This
filters the log so that the content_uploads the content param is
filtered.
Merge pull request #4364 from dustint-rh/filter_log_content_using_foreman_katello_plugin

Fixes #6411 - filter params by path BZ1111484
Merge pull request #4413 from waldenraines/6551

Fixes #6551/BZ1112644: show add/remove content hosts if user able