Merge branch 'develop' into enhancement-#34
Refactored almost all the code in order to normalized the internal API.
Fixes the problems with the repated uris
Extracts helpers into an object with the aim of improve the general performance
Country and Dataset view are commented (Needs to be refact its code in order to be compatible with the new internal API)
Added safe-casts to RdfNoe
Refactors observation view (Using the brand new API)
Closes #34
Merge branch 'enhancement-#34' into develop

Conflicts:
	app/controllers/Application.scala
	app/es/weso/wfLodPortal/TemplateEngine.scala
	app/es/weso/wfLodPortal/sparql/custom/RegionCustomQueries.scala
	app/es/weso/wfLodPortal/sparql/custom/SubindexCustomQuery.scala
	app/views/country.scala.html
	app/views/countryConcept.scala.html
	conf/endpoint.properties