[SCEditor] Restored the "move" button - thanks Ant for reminding me about it

Signed-off-by: emanuele <emanuele45@gmail.com>

Themes/default/css/jquery.sceditor.css

@@ -252,7 +252,7 @@ div.sceditor-dropdown, div.sceditor-dropdown div {
 	background: url('../images/bbc/shadow.png');
 }
 .sceditor-button-move div {
-	background: url('../images/bbc/move.png');
+	background: url('../images/bbc/move.gif');
 }
 .sceditor-button-superscript div {
 	background: url('../images/bbc/sup.png');

Themes/default/scripts/jquery.sceditor.bbcode.js

@@ -114,6 +114,7 @@
 				ftp: { txtExec: ["[ftp]", "[/ftp]"] },
 				tt: { txtExec: ["[tt]", "[/tt]"] },
 				glow: { txtExec: ["[glow=red,2,300]", "[/glow]"] },
+				move: { txtExec: ["[[move]", "[/move]"] },
 				shadow: { txtExec: ["[shadow=red,left]", "[/shadow]"] },
 				pre: { txtExec: ["[pre]", "[/pre]"] },
 				// @todo: check tooltip