Changes in buildscript for cygwin to compile faster, but does not work with avr-gcc-4.6.2
Merge remote-tracking branch 'upstream/master'
buildscript updated but does not work with cygwin
added comment -D__PROG_TYPES_COMPAT__ for compiling with later versions of avr-gcc
added sd_crc16 without table, but is a little slower while navigating in menue.
It can be used, if there is to less space in flash left.
removed unused member functions setLED and setLEDs
correction in virtual member functions
Build script for documentation
Merge remote-tracking branch 'upstream/master'
Something forgotten
Merge pull request #128 from GottfriedSp/master

Some corrections and a build script for documentations