Minimal test data files
try to capture all child exits by waiting before killing process group
Check use of STDIN and STDOUT if EXEC node use_STD{IN,OUT} keys provided
Cope with Boolean in JSON
use_STD{IN,OUT} in produciton RNAseq pipeline
use bammarkduplicates2 in place of bammarkduplicates in prod RNAseq Tophat2 pipeline
remove commented and non-functional code
Merge pull request #14 from dkj/devel

Improve exiting child reporting, add EXEC std{in,out} validaiton, and use bammarkduplicates2 in RNAseq analysis