updated metadata about modification date

change rdfs:labels by rdfs:comment

removed /v1/

OnToology update

and reconciled namespaces

OnToology update

Removed blank nodes in SAREF4AGRI

Merged Use case 1 and 2 models

updated diagram SAREF4AGRI

New diagram including livestock use case

OnToology update

change date in measurement in SAREF4AGRI smart irrigation example

added in the SAREF4AGRI example for smart irrigation 2 triples to state
that the sensors saref:measuresProperty s4agri:SoilMoisture

Code for a basic example of SAREF4AGRI for the smart irrigation use
case.

OnToology update