document self-contained tarball
add TAG macro
comment "make test"
dump tarball to stdout if "$ ./gfm -"
C&C
bugfix: calculate padding before adding parity

Doing it the other way around means the padding
info is only store in the last data block, so if
that is lost we append NULL's on recovery
more testing on "make test"
pad data and parity file header to BLOCKSIZE
strip path from filenames in checksum file
fix padding bug: add padding before adding parity
document old matrix style
implemented Vandermode-based parity generation matrix.
Merge /tmp/gfm-v1.0-11-g34b49ad

Conflicts:
	Makefile
	gfm.cc
SNR
Added ostream operator to GFA
test script

best run in a RAM filesystem like /dev/shm:
/dev/shm/FOO$ MIN=1 DMP=1 NUM_PARITY=200 \
    NUM_DATA=50 COUNT=1 ~/GIT/gfm/runtest
added DMP mode
bugfixes. thank you valgrind
Merge denovo:GIT/gfm
add "DEBUG=1 make ..."