Replace all occurences of exit() in potential library code
by appropriate return values.


git-svn-id: svn://svn.savannah.nongnu.org/avrdude/trunk/avrdude@1301 81a1dc3b-b13d-400b-aceb-764788c761c2
Fix syntax error (forgotten closing paren).


git-svn-id: svn://svn.savannah.nongnu.org/avrdude/trunk/avrdude@1302 81a1dc3b-b13d-400b-aceb-764788c761c2
* dfu.c (dfu_open, dfu_init): Fix signature of the dummy functions
(in the !HAVE_LIBUSB case) to match prototypes.



git-svn-id: svn://svn.savannah.nongnu.org/avrdude/trunk/avrdude@1303 81a1dc3b-b13d-400b-aceb-764788c761c2
Make a first attempt to build a shared library (not to be installed by
now).



git-svn-id: svn://svn.savannah.nongnu.org/avrdude/trunk/avrdude@1304 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.
Initial commit