Merge pull request #26 from wtsi-npg/master

Merge changes for release 0.8.4
Check if required arguments are present
Correctly handle version 0 and 1 .sim number formats; raise error for unknown format code
Changed spacing
Merge pull request #148 from keithj/devel

Improvements to iRODS publishing
Option to randomly insert NaN/INF into output
Deleted test of obsolete script
Remove obsolete intensity metric code; use simtools instead
Use simtools for intensity metrics
Merge pull request #149 from keithj/devel

Comments and typo fix
Fixed typo
Corrected qw style
Updated intensity QC
Added simtools dependency for QC
Removed obsolete files
Merge pull request #27 from wtsi-npg/master

Changes from release 0.8.5
Merge branch 'master' into devel
Incremented version number
Faster and more memory-efficient manifest sort
Initial commit