Merge pull request #66 from wtsi-npg/master

pull from wtsi master (release 74.9)
Added new tag sets area to repository
update live URL for lims data
Merge branch 'master' of github.com:dozy/npg_tracking into devel
Changes for the whole point release
Merge pull request #67 from dozy/devel

added area in repository for tag sets
Merge pull request #68 from mgcam/devel

update live URL for lims data
Corrected number of tests
Merge pull request #69 from dozy/devel

Corrected number of tests
Merge pull request #70 from wtsi-npg/devel

added area in repository for tag sets; updated occurrences of psd URL