[ticket/10786] Javascript toggle member search panel in memberlist.php

PHPBB3-10786
[ticket/10786] Javascript toggle member search panel in memberlist.php

Search functions on the memberlist.php page are now rendered by default and displayed via javascript.  If javascript is disabled the page still works as it previously did.

PHPBB3-10786
[ticket/10786] Javascript toggle member search panel in memberlist.php

Search functions on the memberlist.php page are now rendered by default and displayed via javascript.  If javascript is disabled the page still works as it previously did.

PHPBB3-10786
Merge remote-tracking branch 'remotes/DavidIQ/ticket/10786' into develop

# By David Colón
* remotes/DavidIQ/ticket/10786:
  [ticket/10786] Javascript toggle member search panel in memberlist.php
  [ticket/10786] Javascript toggle member search panel in memberlist.php
  [ticket/10786] Javascript toggle member search panel in memberlist.php