One commit for those fixes having a very tiny impact (mostly only whitespaces or forgotten spans, etc.)

Although i somehow mistakingly got #20445 and #15249 into it. :/

Removing s_watching_img from watch_topic_forum() function (Bug #20445)
Changing order for post review if more than one post affected (Bug #15249)
Language typos/fixes (Bug #20425, #15719, #15429, #14669, #13479)
Style/Template fixes (Bug #20065, #19405, #19205, #15028, #14934, #14821, #14752, #14497, #13707, #14738)
Tiny code fixes (Bug #20165, #20025, #19795, #14804)

git-svn-id: file:///svn/phpbb/branches/phpBB-3_0_0@8350 89ea8834-ac86-4346-8a33-228a782c2dd0

phpBB/adm/style/install_update_diff.html

@@ -32,7 +32,7 @@ function resize_panel()
 </script>
 
 <style type="text/css">
-<!--
+/* <![CDATA[ */
 
 #main {
 	font-size: 1em;
@@ -198,7 +198,7 @@ table.hrdiff caption span {
 
 <!-- ENDIF -->
 
-//-->
+/* ]]> */
 </style>
 
 </head>