Remove trailing ?> in PHP library files, add trailing newlines to all other files.

git-svn-id: http://htmlpurifier.org/svnroot/htmlpurifier/trunk@1253 48356398-32a2-884e-a903-53898d9a118a

maintenance/flush-htmldefinition-cache.php

@@ -21,4 +21,3 @@ $cache->flush($config);
 
 echo 'Cache flushed successfully.';
 
-?>

maintenance/generate-entity-file.php

@@ -71,4 +71,3 @@ fclose($fh);
 
 echo "Completed successfully.";
 
-?>