Added welcome block;

Added some new features to welcome block: BBCode buttons, permission system

root/styles/prosilver/template/portal/modules/welcome_center.html

@@ -0,0 +1,10 @@
+<!--version $Id$ //-->
+{$C_BLOCK_H_L}<dt>{L_PORTAL_WELCOME}</dt>{$C_BLOCK_H_R}
+	<div class="panel bg1" style="margin-bottom: 0px">
+		<div class="inner"><span class="portal-corners-top-inner"></span>
+			<div class="postbody" style="width: 100%">
+				<div class="content">{PORTAL_WELCOME_MSG}</div>
+			</div>
+		<span class="portal-corners-bottom-inner"></span></div>
+	</div>
+{$C_BLOCK_F_L}{$C_BLOCK_F_R}