Merge pull request #18 from mgcam/devel

mgcam devel to wtsi devel to fix a test
Merge pull request #19 from mgcam/devel

npg_testing::db module: copes with old-style naming convention for yml d...
Merge pull request #20 from mgcam/devel

missing POD added
Merge pull request #21 from wtsi-npg/devel

Devel
Merge pull request #22 from wtsi-npg/master

pull tag from master to devel
Merge pull request #5 from wtsi-npg/devel

pull changes from wtsi devel to my devel