fix http://www.zenphoto.org/support/topic.php?id=692144#post-951590
slovak translation update
Fix errors in seo table
Fix diacritical characters in database

This restores the "SET NAMES 'utf8'" query on database connect
Version to 1.4.5.7
release id 59c22b2fba
Merge remote-tracking branch 'origin/master' into 1.4.6

Conflicts:
	zp-core/version.php

	modified:   zp-core/class-album.php
	modified:   zp-core/functions-basic.php
	modified:   zp-core/githead
	modified:   zp-core/locale/sk_SK/LC_MESSAGES/zenphoto.mo
	modified:   zp-core/locale/sk_SK/LC_MESSAGES/zenphoto.po
	modified:   zp-core/zp-extensions/seo_zenphoto.php