[#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
[#43834589] Add timestamp and user to any messages published on the bus.
[#43834589] Add URL connection string instead of host and port in amqp configuration file.
Bump core version
Merge pull request #86 from maxigit/43475003_expose_spin_column_in_the_api

43475003 expose spin column in the api
Merge pull request #81 from llh1/42646847_rack_transfer_api

42646847 rack transfer api
Merge pull request #84 from llh1/43834589_add_timestamp_and_user_in_messages_published_on_the_bus

43834589 add timestamp and user in messages published on the bus