Japanese translation
Update functions-image.php

Misplaced parenthesis causes option 'use_embedded_thumb' setting to be ignored in case ($s='jpeg') and forces 'exif_thumbnail()' function to be used for thumbnail generation. Function call fails if EXIF module is not loaded.
Typo in publishContent plugin
fix typo on parenthesis
add "credit" field to searches
Merge pull request #467 from kgasilin/patch-1

Update functions-image.php
Merge branch 'master' of https://github.com/zenphoto/zenphoto
Merge remote-tracking branch 'origin/master' into 1.4.6

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