strings_api.php: Added string_no_break() which encloses the string in nobr tags if it contains spaces.
view_all_inc.php: Used string_no_break() to avoid sponsorships splitting on two lines.
relationship_api.php: Added resolution as a title to the status (appears as bubble in firefox and IE).

git-svn-id: http://mantisbt.svn.sourceforge.net/svnroot/mantisbt/trunk@2781 <a class="text" href="/?p=mantisbt.git;a=object;h=f5dc347c">f5dc347c</a>-c33d-0410-90a0-b07cc1902cb9