Merge pull request #190 from hhovsepy/cfse-1.1

added more test cases, integrated server pool into deltacloud
Merge pull request #191 from hhovsepy/cfse-1.1

check host existence in list
Merge branch 'cfse-1.1' of https://github.com/gkhachik/katello-api into cfse-1.1
added new system errata tests
added new auto for github issue 204
better comment
separate deltacloud server and client images
added more automations for from github issues
added new base method
small uncomment
added new automation for github bug 224
added new automation for github issue 222