fix to make addition and removal of items to selection page work correctly
Don't rererender whole selection page on child presetner addtion and removal
use extraction_pipeline alias in tests, and fix failing tests
integrate with latest version of labware
Merge branch 'master' of https://github.com/sanger/s2_extraction_pipeline into T76_MVP_for_tube_removal
added details of TubeRemoval component
Merge pull request #9 from iain-peddie-tessella/T76_MVP_for_tube_removal

Visible behaviour now correct