[#41182989] Init commit for embedded label for tube
[#41182989] Refactored embedded label for tube

The specs are still failing for 
the other resources!!!
Fix session bug
Use Labellable#labels_to_stream
manual merge - updating development to latest version
fixed the problem caused the prev. manual merge
Merge remote-tracking branch 'sanger/development' into development
Merge remote-tracking branch 'sanger/development' into development
Merge remote-tracking branch 'sanger/development' into development
[#43475003] Exposed Spin Column to API
[#43475003] Removed unused shared context
[#42646847] Add tube rack transfer specs. Specs pass.
[#42646847] Add spec for tube rack move. Specs pass.
[#43475003] move tube-like contexts to separate file
Fix documentation
Documentation for tubes to tubes transfer
Documentation for transfer from one tube to multiple tubes
Fix documentation
Fix documentation
Fix documentation