renamed workload model to usageprofile model

edu.kit.ipd.descartes.mm.usageprofile/.classpath

edu.kit.ipd.descartes.mm.usageprofile/.project

edu.kit.ipd.descartes.mm.usageprofile/META-INF/MANIFEST.MF

edu.kit.ipd.descartes.mm.usageprofile/build.properties

...it.ipd.descartes.mm.usageprofile/model/usageprofile.ecore

...artes.mm.usageprofile/model/usageprofile.ecore.oclinecore

...ipd.descartes.mm.usageprofile/model/usageprofile.genmodel

edu.kit.ipd.descartes.mm.usageprofile/plugin.properties

edu.kit.ipd.descartes.mm.usageprofile/plugin.xml

edu.kit.ipd.descartes.mm.usageprofile/pom.xml

...kit/ipd/descartes/mm/usageprofile/AbstractUserAction.java

...u/kit/ipd/descartes/mm/usageprofile/BranchUserAction.java

...t/ipd/descartes/mm/usageprofile/CallParameterSetting.java

...kit/ipd/descartes/mm/usageprofile/ClosedWorkloadType.java

...du/kit/ipd/descartes/mm/usageprofile/DelayUserAction.java

...ile/src/edu/kit/ipd/descartes/mm/usageprofile/Import.java

...edu/kit/ipd/descartes/mm/usageprofile/LoopUserAction.java

...u/kit/ipd/descartes/mm/usageprofile/OpenWorkloadType.java

...u/kit/ipd/descartes/mm/usageprofile/ScenarioBehavior.java

...t/ipd/descartes/mm/usageprofile/SystemCallUserAction.java