[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

phpBB/styles/prosilver/theme/content.css

@@ -783,4 +783,4 @@ dl.pmlist dt textarea {
 dl.pmlist dd {
 	margin-left: 61% !important;
 	margin-bottom: 2px;
-}
+}

phpBB/styles/prosilver/theme/large.css

@@ -1,3 +1,3 @@
 body {
 	font-size: 12px;
-}
+}

phpBB/styles/prosilver/theme/medium.css

@@ -1,3 +1,3 @@
 body {
 	font-size: 11px;
-}
+}

phpBB/styles/prosilver/theme/normal.css

@@ -1,3 +1,3 @@
 body {
 	font-size: 10px;
-}
+}

phpBB/styles/prosilver/theme/print.css

@@ -141,4 +141,4 @@ div.spacer { clear: both; }
 /* Accessibility tweaks: Mozilla.org */
 .skip_link { display: none; }
 
-dl.codebox dt { display: none; }
+dl.codebox dt { display: none; }