refactor global array

Signed-off-by: Michael Kaufmann <d00p@froxlor.org>

templates/Sparkle/admin/update/index.tpl

@@ -1,6 +1,6 @@
 $header
 	<header>
-		<h2>{$lng['update']['update']}</h2>
+		<h2>{\Froxlor\I18N\Lang::getAll()['update']['update']}</h2>
 	</header>
 	<article>
 		<form action="{$linker->getLink(array('section' => 'updates'))}" method="post">
@@ -9,7 +9,7 @@ $header
 				<input type="hidden" name="s" value="$s"/>
 				<input type="hidden" name="page" value="$page"/>
 				<input type="hidden" name="send" value="send" />
-				<input type="submit" value="{$lng['update']['proceed']}" />
+				<input type="submit" value="{\Froxlor\I18N\Lang::getAll()['update']['proceed']}" />
 			</p>
 		</form>
 	</article>

templates/Sparkle/admin/update/noupdatesavail.tpl

@@ -1,10 +1,10 @@
 $header
 <div class="messagewrapper">
 	<div class="successcontainer bradius">
-		<div class="successtitle">{$lng['update']['update']}</div>
+		<div class="successtitle">{\Froxlor\I18N\Lang::getAll()['update']['update']}</div>
 		<div class="success">$success_message
 			<if $redirect_url != ''>
-				<br /><br /><a href="{$redirect_url}">{$lng['success']['clickheretocontinue']}
+				<br /><br /><a href="{$redirect_url}">{\Froxlor\I18N\Lang::getAll()['success']['clickheretocontinue']}
 			</if>
 		</div>
 	</div>

templates/Sparkle/admin/update/update_end.tpl

@@ -1,6 +1,6 @@
 		</section>
 		<aside>
-			<a href="{$redirect_url}">{$lng['success']['clickheretocontinue']}</a>
+			<a href="{$redirect_url}">{\Froxlor\I18N\Lang::getAll()['success']['clickheretocontinue']}</a>
 		</aside>
 	</article>
 $footer

templates/Sparkle/admin/update/update_start.tpl

@@ -1,6 +1,6 @@
 $header
 	<article>
 		<header>
-			<h2>{$lng['update']['update']}</h2>
+			<h2>{\Froxlor\I18N\Lang::getAll()['update']['update']}</h2>
 		</header>
 		<section class="update_progess">