[FEATURE] Dependency parser

== Addons

* Hexx::Parsers::Dependency
[FEATURE] Dependency decorator

== Addons

* Hexx::Dependencies::Decorator
[FEATURE] Dependencies helper

== Addons

* Hexx::Helpers::Dependencies
[DEPENDENCY] Updated for hexx v6.0.2+

Core, model and specs generators' templates updated following new
hexx standards.
[FEATURE] Dependencies added to the service with -i key

  $ hexx service add_item -i get_item{Services::Get}

== Addons

* Hexx::Generators::Service.start accepts -i key
[REFACTORING] Parsers

Notification and Parameter parsers simplified.
[DOCUMENTATION] Coercer templates