release 31 is here:

- improved groestl512 part2. faster x11,x13,x14,x15,nist5,quark etc.
- merged branch with klaus_t.  Faster quark + other fixes.
- fixed crash on 960 cards. (default intensity)

1.5.31(sp-MOD) is available here: (18-jan-2015)

https://github.com/sp-hash/ccminer/releases/tag/1.5.31

The sourcecode is available here:

https://github.com/sp-hash/ccminer

bitcointalk thread:

https://bitcointalk.org/index.php?topic=826901.0