introduce startup options

* startup options with -help and -version
* many startup options for graphics

modules/game_healthbar/healthbar.otui

@@ -0,0 +1,47 @@
+HealthBar < ProgressBar
+  id: healthBar
+  height: 15
+  background-color: #ff4444
+  anchors.top: parent.top
+  anchors.left: parent.left
+  anchors.right: parent.right
+
+ManaBar < ProgressBar
+  id: manaBar
+  height: 15
+  background-color: #4444ff
+  anchors.bottom: parent.bottom
+  anchors.left: parent.left
+  anchors.right: parent.right
+
+HealthLabel < GameLabel
+  id: healthLabel
+  color: white
+  text-align: center
+  font: verdana-11px-rounded
+  anchors.fill: healthBar
+  margin-top: 2
+  text: 0 / 0
+
+ManaLabel < GameLabel
+  id: manaLabel
+  color: white
+  text-align: center
+  font: verdana-11px-rounded
+  anchors.fill: manaBar
+  margin-top: 2
+  text: 0 / 0
+
+UIWindow
+  id: healthManaPanel
+  width: 192
+  height: 34
+  margin-top: 10
+  margin-left: 6
+  margin-right: 6
+  move-policy: free updated
+
+  HealthBar
+  HealthLabel
+  ManaBar
+  ManaLabel