[fix] Added Labellable related tests 

Labellable related tests was missing from the
new 'test system', so I added them.
Generated a fresh apiary.apib documentation.
Also removed accidentally committed examples folder.
[#46116569] Remove unnecessary keys in the json for list of resources
[#46116569] Fix specs
Merge pull request #126 from ke4/apiary_to_rspec

[fix] Added Labellable related tests
Merge pull request #127 from llh1/46116569_remove_unnecessary_keys_in_the_json

46116569 remove unnecessary keys in the json
[#46120983] Update object_to_stream to avoid having duplicate key under result in the json
[#46120983] Bump version
Merge pull request #128 from llh1/46120983_fix_the_json_returned_by_an_action

46120983 fix the json returned by an action
Remove unnecessary require 'lims/api'
Hack to bypass labellable
Use proper version of the core
Merge pull request #129 from maxigit/46549601_fix_core_api_to_work_with_support_app

46549601 fix core api to work with support app