Merge branch 'akpdw-bug5013-icon-metadata-vanishing' into release-1.16

* akpdw-bug5013-icon-metadata-vanishing:
  (Bug 5013) Add flag to prevent overwriting newly active icons' metadata
Fix "Oops" on journals with deleted themes

Adding 'undef_if_missing' to avoid possibly
breaking other uses of this module.
Merge pull request #442 from anall/hotfix/MissingTheme

Fix "Oops" on journals with deleted themes
(Bug 5125) Show detailed S2 error.

Show more detailed errors from S2 to those
who can see them ( show_raw_error ).
(bug 5134) merge /t and /test directories

Having two directories is not ideal! Merge the two.
(bug 5134) mret /t and /test

Move the other way :)
(bug 5109) keep closed requests around longer.

Change the length of time that closed support requests are visible on
the "closed" view of help.bml  from 24h to 168h (1 week).
Merge pull request #447 from rahaeli/bug5134

(bug 5134) merge /t and /test directories
Merge branch 'release-1.16' into develop

* release-1.16:
  Fix "Oops" on journals with deleted themes
Merge pull request #448 from rahaeli/bug5109

(bug 5109) keep closed requests around longer.
Merge pull request #443 from anall/feature/Bug5125

(Bug 5125) Show detailed S2 error.