[ADD] - added first steps tutorial from wiki to help

doc/qt4gui/help/OpenWalnutHelp.html

@@ -4,6 +4,7 @@
 <h2>Contents</h2>
 <ol>
 <li><a href="#Introduction">Introduction</a></li>
+<li><a href="#FirstSteps">First Steps</a></li>
 <li><a href="#MainWindow">Main Window</a></li>
 <li><a href="#Navigation">Navigation</a></li>
 <li><a href="#Keyboard">Keyboard Shortcuts</a></li>
@@ -21,11 +22,19 @@ As described <a href="#Config">below</a>, the appearance of the GUI is customiza
 assumes the standard configuration. Additionally, some described features may not be available 
 in every instance of OpenWalnut because they belong to special modules.
 
+<h2><a name="Introduction" />First Steps</h2>
+<a href="FirstSteps.html">This</a> tutorial shows you the basic useage of OpenWalnut. You should consider reading this if you are a first time user.
+
 <h2><a name="MainWindow" />Main Window</h2>
-By now this section only shows a snapshot of the main window of OpenWalnut. In
-the future this illustration will be annotated to explain the names and the use of
-all components of the main window.
-<img src="images/mainWindow.png"/>
+This is the main window of OpenWalnut. It is divided in three parts. The navigation views, the main view and the data manipulation GUI.
+<img src="images/2_overview.png"/>
+<ul>
+<li> 1,2, and 3 - The navigation windows. Use them for orientation and and current position.
+<li> 4 - The main view. The main view allows interaction with the visualization and the camera in 3D.
+<li> 5 - The module tree. This shows the current setup of your data flow. Use this to process data and to apply visualization.
+<li> 6 - The control panel. This shows parameters and further information of the currently selected module. Use this to interact with your
+modules.
+</ul>
 
 <h2><a name="Navigation" />Navigation</h2>
 <h3>Navigation in Main View</h3>
@@ -69,7 +78,7 @@ all components of the main window.
 <h3>Module tree</h3>
 <table>
 <tr><td><b><i>Key</i></b></td><td><b><i>Action</i></b></td></tr>
-<tr><td>[Backspace]</td><td>Removes module</td></tr>
+<tr><td>[Delete]</td><td>Removes module</td></tr>
 </table>
 
 <h2><a name="Toolbar" />Toolbar</h2>