Remove domain files
Fix context_spec
Add resource_shared spec
All specs pass.
Bump version : 2.0.0
Clean spec/requests/
Merge remote-tracking branch 'sanger/development' into v2-merge

Conflicts:
	Gemfile
	Gemfile.lock
	config/amqp.yml
	lib/lims-api/version.rb
Merge pull request #153 from maxigit/v2-merge

V2 merge
Merge version-2 into development
Merge pull request #155 from maxigit/50431591_make_core/api_version_2_master_one

50431591 version -2