Use master branches and bump version to 1.3.3
Merge pull request #57 from llh1/master

Merge from uat 1.3.3.pre
S2 donor_id attribute is mapped to sequencescape donor_id column
Add column donor_id in sample_metadata test db
Bump version to 1.3.4
Merge pull request #61 from llh1/master

Map S2 donor_id attribute to sequencescape donor_id column in sample_metadata
Merge from master 1.4.3