Don't generate releaseGroup create edits for existing releases
Give time for validation before getting new previews
Store submitted relationship data in sessionStorage
Remove unnecessary try/catch
MBS-7753: Resolve macro parameter name conflict

Due to the way Template Toolkit handles variable scope, the use of a
"code" variable in the area/index.tt template caused the name of the
current user to be wrapped in a <code> tag. Rename the "code"
parameter of the _link_other_entity macro to "code_tag" to avoid this.
MBS-7749: Rap Genius/Rock Genius to Genius rename

The Rap Genius/Rock Genius sites have been renamed to just Genius,
under the new domain name genius.com (instead of rapgenius.com). They
also have a new logo. This requires updating the URL cleanup and
sidebar icon code.
Merge remote-tracking branch 'chirlu/mbs-7753' into beta

* chirlu/mbs-7753:
  MBS-7753: Resolve macro parameter name conflict
Merge remote-tracking branch 'chirlu/mbs-7749' into beta

* chirlu/mbs-7749:
  MBS-7749: Rap Genius/Rock Genius to Genius rename
Merge remote-tracking branch 'bitmap/some-recent-ises' into beta

* bitmap/some-recent-ises:
  Remove unnecessary try/catch
  Store submitted relationship data in sessionStorage
  Give time for validation before getting new previews
  Don't generate releaseGroup create edits for existing releases