Merge pull request #23 from wtsi-npg/master

Merge in changes from wtsi-npg/master for version 0.8.0
First draft of intensity timeout option
Merge pull request #25 from wtsi-npg/master

Merge changes from wtsi-npg:master for 0.8.3
Merge branch 'devel' into intensity_qc
Minor edits to timeout
Added 'nosim' option to omit intensity metrics
Carp instead of croaking on missing metric for filter
Fixed typo
Fixed another typo, and update hash with dummy value (assume pass) for missing metric
Corrected warning for missing metric values
Ensure simfile present in GenCall QC args, if required
Change error message on metric timeout
Replace ComputeMetrics function with in-line C
Added comment
Removed obsolete postCR variable
Set PERL_INLINE_DIRECTORY environment variable and ensure use of intensity QC
Merge pull request #142 from iainrb/devel

Changes to zCall workflow and intensity QC