refs #7558 - document need to trust katello ca for encrypted websockets
fixes #7626 - adding a capsule users guide
Merge pull request #56 from jlsherrill/capsules

fixes #7626 - adding a capsule users guide
Merge pull request #48 from stbenjam/7558

refs #7558 - document need to trust katello ca for encrypted websockets
Fixes #7746: Add 2.0 release notes.
Merge pull request #55 from ehelms/fixes-7746

Fixes #7746: Add 2.0 release notes.