improvements to seo_cleaner
Prevent PHP error if getNextPrevNews returns a boolean
French Update

I finally found exerpts of ISO 12232 in English and French for EXIF
terminology
allow sublocales for TinyMce
Merge remote-tracking branch 'origin/master' into 1.4.6

Conflicts:
	zp-core/locale/fr_FR/LC_MESSAGES/zenphoto.mo
	zp-core/locale/fr_FR/LC_MESSAGES/zenphoto.po

	modified:   zp-core/zp-extensions/seo_cleanup.php
	modified:   zp-core/zp-extensions/tiny_mce.php
	modified:   zp-core/zp-extensions/zenpage/zenpage-template-functions.php