+mobingteam addition of registration of tag (#25)
+mobingteam registering and using multiple tags (#25)
+mobingteam compact registration syntax (#25)
Merge branch 'master' of https://github.com/thoughtworks/pacto into issue25

Conflicts:
	lib/pacto.rb
	spec/unit/pacto/pacto_spec.rb
+mobinteam use default tag contracts
+mobing stubing multiple services journey test
Merge branch 'master' of https://github.com/thoughtworks/pacto into issue25
these files weren't staged
Update README for tag support [ci_skip]
Integrate rubocop with guard (#28)
Guard configuration refactoring

- Integrate cucumber to guard.
- Do not run rubocop on start.
- Do not run cucumber if rspec fails.
- Run rubocop before the tests.
Adding syntax colouring for sh scripts
Small style improvements to README
+raquelguimaraes removed unused parameter, set registered contracts to empty instead of nil when unregistering
+mobing refactor based on comments on #25
Merge branch 'master' of github.com:thoughtworks/pacto into issue25

Conflicts:
	README.md
	lib/pacto.rb
	spec/unit/pacto/pacto_spec.rb
+mobbing rubocopped
eliminate the evil incarnate (returning nil)
readme updates for jesus's comments
allow register_contract with no tags specified (use :default), update readme