Template for tumor/normal variant calling
Change specification of SGE/SLURM specific resources to use multiple arguments instead of munging together with semicolon. Avoids need to quote arguments on command line. Thanks to @mjafin
Merge pull request #132 from lbeltrame/paired-template

Template for tumor/normal variant calling
Rework ensemble calling to handle batch level calling. Default to new ensemble infrastructure in bcbio.variation.
Bump version of ipython-cluster-helper to avoid non-SGE bug