Merge pull request #967 from ddurnev/Release_2_2_0

[RJA-2317][fix]: ExternalUserDetailsService - single query to get group
Merge pull request #968 from ddurnev/Release_2_2_0

[RJA-2316][fix]: instance status change access
[RJA-2307][feature] - Poller for scheduled jobs page
Merge pull request #969 from rsvato/feature/running-jobs-for_2.2

[RJA-2307][feature] - Poller for scheduled jobs page
Prepare for release: distributions.