Merge pull request #40 from wtsi-npg/master

pull master to devel
Merge pull request #10 from wtsi-npg/devel

pull changes from wtsi devel
use updated DBIx::Class::Schema::Loader - and so avoid using hacked Loader code....
new npg url is propagated through the package
use use_moose config option in DBIx::Class::Schema::Loader
Merge pull request #42 from mgcam/devel

create wtsi devel version for release 74.3
Merge branch 'devel' of github.com:wtsi-npg/npg_tracking into devel
Don't define new constructor now DBIC is Moosified: use BUILD....
Merge pull request #43 from dkj/devel

Use updated DBIx::Class::Schema::Loader
Merge pull request #45 from wtsi-npg/devel

pull changes from wtsi devel  - for release 74.3