[MiqServer][Update Management] ensure repo status is updated after enabling

https://bugzilla.redhat.com/show_bug.cgi?id=1148569
Rewritten miq_template view to HAML + added gettext calls

Obsolete views were removed
Update HACK comments

[skip ci]
Merge pull request #1173 from brandondunne/loop_retry_enabling_repos

[MiqServer][Update Management] ensure repo status is updated after enabling
Sprint 16 Changelog updates

Updated links.
Added known bullet points.
Added bullets from sprint report.
Removed extra line and character spaces.
Made sentence case corrections.
Added notable fixes

[skip ci]
Merge pull request #1142 from mfeifer/changelog

Sprint 16 Changelog updates
Merge pull request #1106 from skateman/gettext-haml-miq_template

Rewritten miq_template view to HAML + added gettext calls