Method getComputers() does not return computers for label expressions.
Add tests
Rename method
Merge pull request #741 from lvotypko/view-computers

Method getComputers() does not return computers for label expressions.
Merge pull request #992 from lvotypko/ViewTest

Add tests
Fix #992
Refactor #741
Refactor #992
Merge branch 'master' of github.com:jenkinsci/jenkins