Update README/INSTALL documentation.

INSTALL

@@ -24,7 +24,34 @@ use:
     make
     sudo make install
 
-Further information:
-* README.cmake and README.msvc files of the FlightGear package
-* http://wiki.flightgear.org/Building_Flightgear
+
+Build Dependencies
+==================
+SimGear depends on a number of 3rd party libraries, the most notable
+being:
+
+* OpenSceneGraph (OSG) - see README.OSG
+* Portable Games Library (PLIB) - see README.plib
+* zlib compression library - see README.zlib
+* Open Audio Library (OpenAL) - see README.OpenAL
+* Subversion Client Library (optional dependency)
+
+
+Further information
+===================
+* README.cmake
+  for more detailed CMake instructions
+
+* README.msvc
+  in the FlightGear source package for more Windows-specific instructions
+
+* FlightGear Wiki
+  http://wiki.flightgear.org/Building_Flightgear
+
+* FlightGear Forums
+  For help on building see: http://www.flightgear.org/forums
+  => Support/Compiling
+
+* FlightGear Mailing lists
+  http://wiki.flightgear.org/index.php/Mailing_list
 

README

@@ -1 +1,15 @@
-[ Nothing here at this time. ]
+SimGear - Simulator Construction Tools
+======================================
+http://www.flightgear.org
+
+SimGear is a set of open-source libraries designed to be used as building
+blocks for quickly assembling 3d simulations, games, and visualization
+applications.
+
+SimGear is developed by the FlightGear project and also provides the base
+for the FlightGear Flight Simulator.
+
+Source code for SimGear is released under the GNU Library General Public
+License (LGPL) - see COPYING for license details.
+
+See INSTALL file for help on building SimGear.

README.OSG

@@ -3,7 +3,7 @@
 You *must* have OpenSceneGraph (OSG) installed to build this version of
 FlightGear.
 
-Notice that FlightGear 2.6.0 requires at least version 3.0.0.
+Notice that this version of SimGear/FlightGear requires at least OSG 3.0.0.
 
 You can get the latest version of OSG from: