Merge branch 'add-condition'

Conflicts:
	htsworkflow/frontend/templates/samples/library_detail.html

Resolve differences between the headers of library_detail for
adding RDFa and reordering the sample details.

diff --cc htsworkflow/frontend/samples/models.py
Simple merge

diff --cc htsworkflow/frontend/templates/samples/library_detail.html
Simple merge