detabbed changelog, and appended my contributions

arduino-mk/Arduino.mk

@@ -104,6 +104,15 @@
 #                          - Changed bytes option for the head shell command, so that it works in Mac as well
 #                          - Auto detect Serial Baud rate from sketch if possible
 #
+#         0.9.3.1 18.viii.2012 jeffkowalski
+#                          - Autodetect ARDUINO_LIBS from includes in LOCAL_SRCS
+#                          - Autodetect ARDUINO_SKETCHBOOK from file
+#                            set by Arduino IDE
+#                          - Autodetect ARDMK_DIR based on location of
+#                            this file
+#                          - Added support for utility directory
+#                            within SYS and USER libraries
+#
 ########################################################################
 #
 # PATHS YOU NEED TO SET UP