Merge pull request #43 from tstrachota/host

fixes #3594 - host power related commands
fixes #3215 - Gemfile.local added
fixes #3215 - gemspec cleanup
Merge pull request #44 from tstrachota/gem_cleanup

fixes #3215 - Gem cleanup
host creation docs updated with params for bare metal
Merge pull request #45 from tstrachota/docs

host creation docs updated with params for bare metal
refs #3215 - removed link to hammer_cli git from Gemfile
Merge pull request #47 from tstrachota/gem_cleanup

refs #3215 - removed link to hammer_cli git from Gemfile
fixes #3518 - domain full name renamed to description
domains - names of modified resources in the output messages
Merge pull request #48 from tstrachota/domains

fixes #3518 - domain full name renamed to description
fixes #3713 - network interfaces for bare metal