changed column heading in study table
allow the user to select studies for output, in this way you are able to
be sure which sample ID is linked to which study.
sample details output columns open by default
added details of how to use the user defined list feature
changed the default return values for samplefeaturetype and
samplefeature.
added samplefeaturetype and samplefeature to the admin interface
added tests for the not in feature for studies, source or platform
work towards getting the not in study, platform or external source query
feature working
Merge branch 'master' of https://github.com/wtsi-medical-genomics/phenodb.git