Update on description of libraries for the JS client frontend.

README.md

@@ -44,22 +44,33 @@
     ``mvn integration-test``  
     (will also run unit tests in the process)
 
+#### JavaScript client frontend
+
+TODO
 
 ### _Software libraries selected_
 
 #### JavaScript client frontend
 
 1. OpenLayers 3  
-   Apart from having a lot of experience with OpenLayers (__2__), I've chosen OpenLayers over, say Leaflet,
-   because of the need to have a full-featured library, handling in particular GML and WKT formats, the WFS protocol
+   Apart from having a lot of experience with OpenLayers (__2__), I've chosen
+   OpenLayers over, say Leaflet, because of the need to have a full-featured
+   library, handling in particular GML and WKT formats, the WFS protocol
    and providing an API to manipulate features and geometries.
-2. Bootstrap 3  
+2. OpenLayers 3 Layer Switcher plugin  
+   Third-party plugin to overcome the lack of built-in layer selector in OpenLayers 3.  
+   I've slightly modified it to be more compatible with Bootstrap (conflicting
+   CSS style names) and to always keep the panel open.
+3. Bootstrap 3  
    Provides useful UI widgets (e.g. popup) with an elegant look and feel.
-3. jQuery 2  
-   Used as a general purpose library for common tasks (DOM nodes manipulation, event handling, etc).
+4. jQuery 2  
+   Used as a general purpose library for common tasks (DOM nodes manipulation,
+   event handling, etc).
 
 #### Java server backend
 
+TODO
+
 ## **Original assignment description**
 
 ```