[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

tests/bbcode/all_tests.php

@@ -41,4 +41,3 @@ if (PHPUnit_MAIN_METHOD == 'phpbb_bbcode_all_tests::main')
 {
 	phpbb_bbcode_all_tests::main();
 }
-?>

tests/bbcode/parser_test.php

@@ -28,4 +28,3 @@ class phpbb_bbcode_parser_test extends PHPUnit_Framework_TestCase
 		$this->assertEquals($expected, $result, 'Simple nested BBCode first+second pass');
 	}
 }
-?>

tests/class_loader/cache_mock.php

@@ -26,4 +26,4 @@ class phpbb_cache_mock
 	{
 		$this->variables[$var_name] = $value;
 	}
-}
+}