Testing the new class USDLModel
First version of WriterXMLFromiAgree
First version completed
Merge branch 'feature/mapping' into develop

Conflicts:
	src/test/java/org/linkedusdl/agreement/model/ReadTest.java
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Mapping completed until GuarateeTerm.
Mapping completed and testing until GuaranteeTerm
All Mapping completed less Penalty/AssesmentInterval/TimeInterval
All Mapping completed less Penalty/AssesmentInterval/TimeInterval
Test when There aren't penalty
add new file amazonEC2.ttl
add multiplicity in penalty and value expresion
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