distributor-ui - fix distributor UI and version

distributor-ui - fixed disappearing environments
Merge pull request #2696 from thomasmckay/distributor-ui

distributor-ui - fix distributor UI and version
Adding support for pulp 2.2
Merge pull request #2698 from jlsherrill/pulp2.2

Adding support for pulp 2.2
updating comps for new pulp packages
Merge pull request #2700 from jlsherrill/comps

updating comps for new pulp packages