implement hyperion restart via webui (#242)

* first try

* implement hyperion restart. core function is good, but needs a beeter structuring- something for next refactoring session ;-)

* several fixes (including osx)
merge with upstream
some refactoring

* add some eye candy to webui

assets/webconfig/css/hyperion.css

@@ -61,3 +61,7 @@ table.borderless td,table.borderless th{border: none !important;}
 	top: 0;
 	z-index:99999;
 }
+
+#page-content {
+	padding-bottom:50px;
+}