[maven-release-plugin] prepare release HyperExpress-1.0.4
[maven-release-plugin] prepare for next development iteration
Updated README Maven usage.
Merge branch 'master' into HyperExpress-1.1.0-Resource_Representation

Conflicts:
	atom/pom.xml
	core/pom.xml
	hal/pom.xml
	htl/pom.xml
	pom.xml
Added copy constructor.
Refactoring HalResource, etc. to implement Resource.
Introducing preliminary fluent interface to define relationships and create Resource instances.