Merge pull request #596 from hhovsepy/sat-6.0.2

fixed failing tests, added bug comments
coverage: system unsubscribe
system test fixed
coverage: system
fixed org auto_attach
coverage: package groups
coverage: repo, product, filter
repo content upload tests
Merge pull request #602 from alda519/tmp_branch

once more test coverage
integrated hammer CLI with katello api framework
create repo without URL
Merge pull request #603 from ab268/sat-6.0.2

create repo without URL
comments standardizing
Merge branch 'sat6-fix' into sat-6.0.2
some changes to make hammer automation run
Merge branch 'sat-6.0.2' of https://github.com/gkhachik/katello-api into sat-6.0.2