Merge pull request #218 from zenphoto/updates

check validity of the database software setting and run setup it it is f...
fix slideshow when on search page
Merge remote-tracking branch 'origin/2013_02_03' into 1.4.5

Conflicts:
	zp-core/zp-extensions/slideshow.php

	modified:   zp-core/zp-extensions/slideshow.php