[ticket/9556] Drop php closing tags, add trailing newline

Closing tags converted using Oleg's script.
remove-php-end-tags.py -a .

Trailing newlines added using the following where $ext is file extension.
find . -type f -name "*.$ext" -print | xargs printf "e %s\nw\n" | ed -s;

Extensions: php, css, html, js, xml.

PHPBB3-9556

code_sniffer/phpbb/Sniffs/Commenting/FileCommentSniff.php

@@ -207,4 +207,4 @@ class phpbb_Sniffs_Commenting_FileCommentSniff implements PHP_CodeSniffer_Sniff
             $phpcsFile->addError($message, $tags['license'][1]);            
         }
     }
-}
+}