implemented: #396 "E2E - Consuming rpms of RHSM registration via activation keys".
new method produced: rhsm_environments()
ActivationKey object takes now another constructor with contentView.
enable in TestNG xml
making setup of the server possible through URLs
Merge pull request #398 from hhovsepy/sat-6.0

fixed failing test
fixing the test due to bug: 966035
Merge branch 'sat-6.0' of https://github.com/gkhachik/katello-api into sat-6.0
bz 966901 automation test
Merge pull request #399 from alda519/bz_966901

bz 966901 automation test
enabling some manifest import tests. the BZ is fixed: https://bugzilla.redhat.com/show_bug.cgi?id=955615
integrated with headpin LDAP install, added new ldap scenarios, reworked
failing e2e scenario
Merge branch 'sat-6.0' of https://github.com/gkhachik/katello-api into sat-6.0
added new ldap scenarios