Add pages and links to gui contributions.

docs/modules/contributions/nav.adoc

@@ -10,17 +10,13 @@
 *** xref:es/entitysystem.adoc[The Zay-ES Entity System]
 ** Artificial Intelligence
 *** xref:ai/recast.adoc[Recast Navigation]
-*** xref:ai/building_recast.adoc[Updating and building Recast Native Bindings]  
+*** xref:ai/building_recast.adoc[Updating and building Recast Native Bindings]
 *** xref:ai/monkey_brains.adoc[Monkey Brains]
 *** xref:ai/steer_behaviours.adoc[Steer Behaviours]
 *** xref:ai/jme3_ai.adoc[jME3 Artificial Intelligence]
-** GUI
-***  link:https://github.com/jMonkeyEngine-Contributions/Lemur[Lemur - a native jME3 GUI library with scene graph tools]
-****  link:https://github.com/jMonkeyEngine-Contributions/Lemur/wiki/Modules[Lemur Scene Graph Tools]
-*****  link:http://hub.jmonkeyengine.org/t/lemur-gems-1-inputmapper-based-camera-movement/28703[Lemur Gems #1 - Input mapper based camera movement. ]
-*****  link:http://hub.jmonkeyengine.org/t/lemur-gems-2-inputmapper-delegates/28710[Lemur Gems #2 - Input mapper delegates]
-*****  link:http://hub.jmonkeyengine.org/t/lemur-gems-3-scene-picking/28713[Lemur Gems #3 - Scene picking]
-*** xref:gui/tonegodgui/tonegodgui.adoc[tonegodGUI - a native jME3 GUI library]
+** xref:gui/topic_contributions_gui.adoc[GUI]
+*** xref:gui/contributions.adoc#lemur-gui-library[Lemur - a native jME3 GUI library with scene graph tools]
+*** xref:gui/tonegodgui/tonegodgui.adoc#tonegodgui[tonegodGUI - a native jME3 GUI library]
 ** Tools
 *** xref:tools/navigation.adoc[Mercator Projection Tool (Marine Navigation)]
 *** xref:tools/charts.adoc[Visualizing Maps in JME3 (Marine Charts)]

docs/modules/contributions/pages/gui/topic_gui_contributions.adoc → docs/modules/contributions/pages/gui/topic_contributions_gui.adoc

@@ -4,4 +4,5 @@ mitm001
 :keywords: gui, documentation, input, control, hud, contributions
 
 The official engine GUI library is xref:core:gui/nifty_gui.adoc[Nifty Gui]. This
-topic contains user contributed GUI libraries.
+topic contains user contributed GUI libraries. The most popular and current being
+Lemur.

docs/modules/core/nav.adoc

@@ -62,7 +62,7 @@
 ** xref:input/input_handling.adoc[Input Handling]
 ** xref:input/combo_moves.adoc[Combo Moves]
 ** xref:input/mouse_picking.adoc[Mouse Picking]
-* Graphical User Interface
+* xref:gui/topic_gui.adoc[Graphical User Interface]
 ** Nifty GUI
 *** xref:gui/nifty_gui.adoc[Integration Tutorial]
 *** xref:gui/nifty_gui_best_practices.adoc[Best Practices]

docs/modules/core/pages/gui/topic_gui.adoc

@@ -1,10 +1,9 @@
 = GUI
-:author: mitm001
-:revnumber: 1.0
-:revdate: 5/28/2001
+mitm001
+:description: GUI libraries for the jmonkey engine.
+:keywords: gui, documentation, input, control, hud
 
-Nifty is the official GUI for the engine currently. It is a GUI library
-that is not maintained by the Engine Team, but it is fully integrated into the
-engine itself.
+Nifty is the official GUI for the engine. It is a GUI library that is not
+maintained by the Engine Team, but it is fully integrated into the engine itself.
 
-There are other GUI librarys that are listed under User Contributions.
+There are other GUI libraries that are listed under xref:contributions:gui/topic_contributions_gui.adoc[User Contributions].