domain 6.x-1.0-rc5

Bug Fixes
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-- #280596. Updates multiple_node_access.patch to Drupal 6.3.
-- #280908 by nirvanajyothi. Deprecates domain_disable(), which caused issues when doing an upgrade and is not needed.
-- #284398 by bforchhammer. Domain Nav called deprecated hook.
-- #283919 by nirvanajyothi. Domain User form handling error, plus users were allowed to create domains even if those names were reserved.
-- #286399 by mikeshanley. Fixes HTML format error in Domain User.
-- #283376 by jaxpax and Garrett Albright. Cannot pass variable by reference and set a default value in PHP 4.
-- #278854 E_ALL error in Domain User.