[clean] allowed_statuses_controller.rb

[clean][verified] fix tiny bug in comments

If there is a duplicate comment, the view just gets a NPE and doesn't know what
to do. This commit attempts to fix this by better handling this case.

[clean] component, errata_check

[clean] package_rel, manual, errata, component, read_only, rel, search

[clean]

COntinuing refactoring on method update