Remove "almighty" appearances from code.

[kwk]

As a followup we have to rename this repo

from https://github.com/almighty-test/almighty-test-unit to https://github.com/fabric8-test/fabric8-test-unit

or something alike and adapt the places in tests accordingly.

[kwk]

[test]

[DhritiShikhar]

Why not remove the word from comments as well?

1. https://github.com/fabric8-services/fabric8-wit/pull/1796/files#diff-acc8d3974d80a8260ecd28803a0b064aR159
2. https://github.com/fabric8-services/fabric8-wit/pull/1796/files#diff-acc8d3974d80a8260ecd28803a0b064aR171
3. https://github.com/fabric8-services/fabric8-wit/pull/1796/files#diff-acc8d3974d80a8260ecd28803a0b064aR194