Merge branch 'master' of git://github.com/bunnie/nandsee
nandseewindow: Don't crash if nothing is selected
Merge branch 'master' of git://github.com/bunnie/nandsee
grouper: Move all NAND DATA pkts to new event type

Now, any time NAND data is read (or written), it gets put in a brand
new packet type called "NAND_DATA".  This lets us keep track of NAND
reads and writes even across BUFFER_DRAIN cycles.
nandseewindow: Add invert-before-xor command

This can be useful for finding xor tables.