Corrected repository layout section of the README.

Reduced it to folder descriptions and important files.

README.md

@@ -131,82 +131,22 @@ Windows XP/7:
 
 
 ## Repository Layout
-    qgroundcontrol:
-	    demo-log.txt
-	    license.txt 
-	    qgcunittest.pro - For the unit tests.
-	    qgcunittest.pro.user
-	    qgcvideo.pro
-	    qgroundcontrol.pri - Used by qgroundcontrol.pro
-	    qgroundcontrol.pro - Project opened in QT to run qgc.
-	    qgroundcontrol.pro.user 
-	    qgroundcontrol.qrc - Holds many images.
-	    qgroundcontrol.rc - line of code to point toward the images
-	    qserialport.pri - generated by qmake.
-	    testlog.txt - sample log file
-	    testlog2.txt - sample log file
-	    user_config.pri.dist - Custom message specs to be added here. 
-    data: 
-	    Maps from yahoo and kinect and earth. 
-    deploy: 
-	    Install and uninstall for win32.
-	    Create a debian packet.
-	    Create .DMG file for publishing for mac.
-	    Audio test on mac.	
-    doc: 
-	    Doxyfile is in this directory and information for creating html documentation for qgc.
-    files: 
-	    Has the audio for the vehicle and data output. 
-		    ardupilotmega: 
-			    widgets and tool tips for pilot heading for the fixed wing.
-			    tooltips for quadrotor
-		    flightgear:
-			    Aircraft: 
-				    Different types of planes and one jeep. 
-			    Protocol: 
-				    The protocol for the fixed_wings and quadrotor and quadhil.holds info about the fixed wing yaw, roll etc. 	
-			    Quadrotor:
-			        Again holds info about yaw, roll etc.
-			    Pixhawk:
-			        Widgets for hexarotor. Widgets and tooltips for quadrotor.
-			    vehicles: 
-			        different vehicles. Seems to hold the different kinds of aircrafts as well as files for audio and the hexarotor and quadrotor.
-			    widgets: 
-			        Has a lot of widgets defined for buttons and sliders.
-
-    images: 
-	    For the UI. Has a bunch of different images such as images for applications or actions or buttons.
-    lib: 
-	    SDL is located in this direcotry. 
-	Msinttypes: 
-	    Defines intteger types for microsoft visual studio. 
-	sdl:
-	    Information about the library and to run the library on different platforms. 
-    mavlink: 
-	    The files for the library mavlink. 
-    qgcunittest: 
-	    Has the unittests for qgc
-    settings: 
-	    Parameter lists for alpha, bravo and charlie. Data for stereo, waypoints and radio calibration. 
-    src:
-	    Code for QGCCore, audio output, configuration, waypoints, main and log compressor.
-	apps
-	    Code for mavlink generation and for a video application.
-	comm
-	    Code for linking to simulation, mavlink, udp, xbee, opal, flight gear and interface.
-	Has other libraries. Qwt is in directory named lib. The other libraries are in libs.
-	lib
-	    qwt library
-	libs
-	    eigen, opmapcontrol, qestserialport, qtconcurrent, utils.
-	input
-	    joystick and freenect code.
-	plugins
-	    Qt project for PIXHAWK plugins.
-	uas
-	    Ardu pilot, UAS, mavlink factory, uas manager, interface, waypoint manager and slugs.
-	ui
-	    Has code for data plots, waypoint lists and window congfiguration. All of the ui code.
-thirdParty: 
-	    Library called lxbee.
-	    Library called QSerialPort.
+The following describes the directory structure and important files in the QGroundControl repository
+
+Folders:
+
+  * data     - Miscellaneous support files.
+  * deploy   - Contains scripts for packaging QGC for all supported systems.
+  * doc      - Output directory for generated Doxygen documentation. See README contained within for details.
+  * files    - Contains miscellaneous data including vehicle models and autopilot-specific data files.
+  * images   - UI images.
+  * libs     - Library dependencies for QGC.
+  * qupgrade - Source file for the qupgrade, a firmware flashing utility for the APM. Compiled into QGC by default.
+  * qml      - QML source files for the project.
+  * src      - Source code for QGroundControl. Split into subfolders for communications, user interface, autopilot-specific files, etc.
+  * tools    - Additional tools for developers.
+
+Important files:
+
+  * qgroundcontrol.pro - Primary project file for building QGC. Open this in qtcreator or pass this to qmake on the command line to build QGC.
+  * qgcvideo.pro       - Builds a standalone executable for viewing UDP video streams from a vehicle.