• added a new group of language strings for the items in the group treatment drop down menu.
• modified print_api.php to use localized strings instead of hardcoded labels.

Modified Files:
core/print_api.php
lang/strings_chinese_simplified.txt
lang/strings_chinese_traditional.txt
lang/strings_czech.txt
lang/strings_danish.txt
lang/strings_dutch.txt
lang/strings_english.txt
lang/strings_french.txt
lang/strings_german.txt
lang/strings_hungarian.txt
lang/strings_italian.txt
lang/strings_japanese_euc.txt
lang/strings_japanese_sjis.txt
lang/strings_korean.txt
lang/strings_norwegian.txt
lang/strings_polish.txt
lang/strings_portuguese_brazil.txt
lang/strings_portuguese_standard.txt
lang/strings_romanian.txt
lang/strings_russian.txt
lang/strings_russian_koi8.txt
lang/strings_spanish.txt
lang/strings_swedish.txt
lang/strings_turkish.txt

git-svn-id: http://mantisbt.svn.sourceforge.net/svnroot/mantisbt/trunk@1787 <a class="text" href="/?p=mantisbt.git;a=object;h=f5dc347c">f5dc347c</a>-c33d-0410-90a0-b07cc1902cb9