Various updates related to the Search Add-On and code cleanup.

Various updates related to the Search Add-On and code cleanup.

Added code to determine when a member record needs to be re-indexed by the search add-on.
Removed depreciated code from glmMembersAdminNotices() - Function to be removed later.
Removed some temporary debug code from admin controller.
Added glmMembersConfigArraySetup() array to provide easy expansion of config data in glmPluginSupport.php
Finished adding requests for search engine to index, re-index, or remove a member from search results.
Added a comment to the top of the updateRequiredPages function in admin/management/index.php file.