doc updates

docs/usage.txt

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+To include any of these functions/drivers in your project...
+
+	1/ Specify the path to the LCDLIB. If none defined, default is $(CHIBIOS)/ext/lcd
+
+	2/ In your project Makefile (amongst similiar lines but after the hal line) add the line...
+		include $(LCDLIB)/lcd.mk
+
+	3/ Add $(LCDSRC) and $(LCDINC) to your SRCS and INCDIR of your projects Makefile
+
+	4/ In your project Makefile add the makefiles for any specific drivers you want e.g
+		include $(LCDLIB)/halext/drivers/touchpad/touchpadXPT2046/touchpad_lld.mk
+		include $(LCDLIB)/halext/drivers/gdisp/gdispNokia6610/gdisp_lld.mk
+
+	5/ In your project halconf.h turn on the support you want eg.
+		/**
+		 * @brief   Enables the Touchpad subsystem.
+		 */
+		#if !defined(HAL_USE_TOUCHPAD) || defined(__DOXYGEN__)
+			#define HAL_USE_TOUCHPAD           TRUE
+		#endif
+
+		/**
+		 * @brief   Enables the GDISP subsystem.
+		 */
+		#if !defined(HAL_USE_GDISP) || defined(__DOXYGEN__)
+			#define HAL_USE_GDISP           TRUE
+			/* Any driver specific defines required go here. The below line is an example. */
+			#define GDISP_NEED_MULTITHREAD	TRUE
+		#endif
+	
+	6/ Do a make clean.
+

readme.txt

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+## Doxygen
+run doxygen in the toplevel directory to generate the doxygen documentation in html
+
+
+
+## Wiki
+please read the wiki pages to this project carefully, before you ask any questions:
+
+http://chibios.org/dokuwiki/doku.php?id=chibios:community
+
+
+
+## Maintainer & Contributors
+please read the contributors.txt file which contains a full history of each contribution
+
+Maintainer:
+				- Joel Bodenmann aka Tectu <joel@unormal.org>
+
+