Added initial support for valgrind.

Signed-off-by: markhpc <mark.a.nelson@gmail.com>
Cleanup previous tmp_dir on initialize.

Signed-off-by: markhpc <mark.a.nelson@gmail.com>
General updates for the new cluster class and /tmp dir structure

Signed-off-by: markhpc <mark.a.nelson@gmail.com>
Initial erasure coding support

Signed-off-by: markhpc <mark.a.nelson@gmail.com>