Fix segfault in java class parser
Fixes in the opcode reg|num colors
$r renamed to $m (memref)
Use $c and $r for columns and rows instead of $h (height)
Some more work to get java support back (analysis, disasm, bin share)
Honor ordinal field in java r_bin methods
Fix segfault in 'af*' on FreeBSD (thanks idwer for reporting!)
Fix some valgrind warnings
Better io.maxblk handling
Fix div by zero when blocksize is 0
Fix disasm lines when no function and extra code comments