Exchange of fprintf(stderr, ...) with avrdude_message(...).

This change was made for the shared library, since library functions
should not write to std-streams directly. Instead avrdude_message()
has to be implemented by the library user. For the avrdude application
this function is implemented in main.c.



git-svn-id: svn://svn.savannah.nongnu.org/avrdude/trunk/avrdude@1305 81a1dc3b-b13d-400b-aceb-764788c761c2
ser_posix: added support for faster baudrates than 230400 on posix based systems
butterfly: implemented a variabel timeout for the erase call in the avr109 protocol. Needed to support AVRs with more than 128kB programm memory.
avrftdi: fixed typo