Merge branch 'policy/create-policy-domain-objects' into 'develop'

...va/eu/teraflow/policy/context/model/ConfigActionEnum.java

...ain/java/eu/teraflow/policy/context/model/ConfigRule.java

...ain/java/eu/teraflow/policy/context/model/Constraint.java

...ain/java/eu/teraflow/policy/context/model/EndPointId.java

...src/main/java/eu/teraflow/policy/context/model/Event.java

...c/main/java/eu/teraflow/policy/context/model/Service.java

.../java/eu/teraflow/policy/context/model/ServiceConfig.java

...main/java/eu/teraflow/policy/context/model/ServiceId.java

.../java/eu/teraflow/policy/context/model/ServiceStatus.java

...a/eu/teraflow/policy/context/model/ServiceStatusEnum.java

...ava/eu/teraflow/policy/context/model/ServiceTypeEnum.java

...ain/java/eu/teraflow/policy/context/model/TopologyId.java

...teraflow/policy/kpi_sample_types/model/KpiSampleType.java

...c/main/java/eu/teraflow/policy/model/BooleanOperator.java

...main/java/eu/teraflow/policy/model/NumericalOperator.java

...cy/src/main/java/eu/teraflow/policy/model/PolicyRule.java

.../main/java/eu/teraflow/policy/model/PolicyRuleAction.java

...n/java/eu/teraflow/policy/model/PolicyRuleActionEnum.java

...in/java/eu/teraflow/policy/model/PolicyRuleCondition.java

...c/main/java/eu/teraflow/policy/model/PolicyRuleEvent.java