created s4agri:Deployment to include local restrictions

replace s4agri namespace for:
sosa:Platform, ssn:System, ssn:Deployment and related properties

update URI to SAREF for: FeatureOfInterest, isPropertyOf, hasProperty,
hasFeatureOfInterest, isFeatureOfInterestOf and measurementMadeBy

update URI to SAREF for: FeatureOfInterest, isPropertyOf, hasProperty,
hasFeatureOfInterest, isFeatureOfInterestOf and measurementMadeBy

Extended foaf:Agent by s4city:Agent. Replaces occurrences of
foaf:Agent. Updated diagram and HTML

Update revision and included diagram.

Added labels and comments.
Added deployment time and spatial relations.
Changed saref:consistOf property for the networks componency for the
Constituency pattern relationships.

Added readme for SAREF4AGRI

update HTML for revision version and overall diagram

reuse of geosp classes and properties
updated diagram

Draft of the HTML description.

Added KPI value for decoupling KPI definition and value
Added time:Instant
Andre relation between KPI value and measurements
Added foam:Agent hierarchy
Added takesPlaceAtFacility
Deleted Rule
Deleted aggregatesData
Deleted NonConvexInterval

Added introduction section in the HTML documentation