Merge pull request #59 from mgcam/devel

switch ref repository root to scratch110
Merge pull request #60 from wtsi-npg/devel

pull from wtsi devel to master to create release 47.8 (switch to scratch110)
Merge pull request #61 from wtsi-npg/master

pull from wtsi master back to devel
Merge pull request #62 from mgcam/devel

pull changes from mgcam devel to wtsi devel - relative links to NPG QC server
bugfix - avoid using TT to create code for Perl (fear we would be
vunerable to exploits).
Merge pull request #63 from dkj/devel

bugfix - avoid using TT to create code for Perl
Merge pull request #18 from wtsi-npg/devel

Pull changes from wtsi devel