Serialized array handling generalizations
Database connection normalizations
restructure gallery data array
Merge remote-tracking branch 'origin/master' into 1.4.6

Conflicts:
	zp-core/utilities/backup_restore.php

	modified:   zp-core/admin-refresh-metadata.php
	modified:   zp-core/class-gallery.php
	modified:   zp-core/functions-basic.php
	modified:   zp-core/functions-common.php
	modified:   zp-core/functions-db-MySQL.php
	modified:   zp-core/functions-db-MySQLi.php
	modified:   zp-core/functions-db-PDO_MySQL.php
	modified:   zp-core/functions.php
	modified:   zp-core/setup/setup-option-defaults.php
	modified:   zp-core/utilities/backup_restore.php
	modified:   zp-core/utilities/reset_albumthumbs.php
	modified:   zp-core/zp-extensions/cacheManager/cacheDBImages.php
	modified:   zp-core/zp-extensions/zenpage/admin-news-articles.php
	modified:   zp-core/zp-extensions/zenpage/zenpage-admin-functions.php