Refactored template; make main content scrollable without overflow

Switched to Flexbox CSS based layout
Removed theme-easteregg.

public/lucidAuth.manage.php

@@ -32,12 +32,14 @@
             );
     	}
 
-		echo sprintf($pageLayout['full'],
-			sprintf($contentLayout['manage'],
-				$validateTokenResult['name'],
+        echo sprintf($pageLayout['full2'],
+            sprintf($contentLayout['manage']['header'],
+                $validateTokenResult['name']
+            ),
+            sprintf($contentLayout['manage']['section'],
                 implode($tableRows)
-			)
-		);
+            )
+        );
 	} else {
 		// No cookie containing valid authentication token found;
 		//   explicitly deleting any remaining cookie, then redirecting to loginpage