Fix issue where content-type is required always
Support filter paper resource type.

Added support for searching by specific labels.
Added filter paper resource type.
Merge pull request #119 from mattdenner/support_filter_papers

Support filter paper resource type.
Added transfer from filter papers
Merge pull request #120 from mattdenner/fix_filter_paper_transfers

Added transfer from filter papers
Replacing with a separate section for filter_papers
- This will go back when/if filter_papers become tube-like

This reverts commit 0dbe1dcf93e26242d3e0a5000fb46b4149a98a02.
Add support for filter_paper transfers
Revert "Add support for filter_paper transfers"
- no longer used as we're going back to tube-like behaviour
This reverts commit 0d107ff75fc0eac5e9a90bf16402915eba8920f0.
Change filter papers from plate-like to tube-like.
Merge branch 'development' of https://github.com/sanger/S2Mapper into development
Adds findByRole for finding any resource with a
specific role