* create fpga version info at compile time (by additional functionality in fpgacompress)
* remove hw version caching (prepare USB reconnect)
* fix calculation of available compressed bytes in fpga_loader.c
fpga_loader.c: change to unweave fpga_lf and fpga_hf accordingly
prepare fpga_compress, fpga_loader and Makefile to handle more than two FPGA config files
revert removal of fullimage Makefile target. Remove osimage instead.