New staging area (51).
Merge pull request #54 from dkj/devel

MiSeq QC run prep, Apache Clearpress cleanup
Merge pull request #55 from wtsi-npg/devel

Merge devel for 74.7 release
Merge pull request #56 from wtsi-npg/master

Merge 74.7 back to devel
Remove unused, mispelt and misleading code.