Move from EMF to classic model
Merge branch 'model'

Conflicts:
	org.hive2hive.core/META-INF/MANIFEST.MF
	org.hive2hive.core/plugin.xml
	org.hive2hive.core/src/org/hive2hive/core/model/MetaFile.java
	org.hive2hive.core/src/org/hive2hive/core/model/ModelFactory.java
	org.hive2hive.core/src/org/hive2hive/core/model/ModelPackage.java
	org.hive2hive.core/src/org/hive2hive/core/model/Version.java
	org.hive2hive.core/src/org/hive2hive/core/model/impl/MetaFileImpl.java
	org.hive2hive.core/src/org/hive2hive/core/model/impl/ModelFactoryImpl.java
	org.hive2hive.core/src/org/hive2hive/core/model/impl/ModelPackageImpl.java
	org.hive2hive.core/src/org/hive2hive/core/model/impl/VersionImpl.java
	org.hive2hive.core/src/org/hive2hive/core/model/util/ModelAdapterFactory.java
	org.hive2hive.core/src/org/hive2hive/core/model/util/ModelSwitch.java