enabled OCL validation + Workaround for Complete OCL validator initializer configurator issue (see comment in code)

* fatjar build switched to package-single phase

# Conflicts (resolved):
#	plugins/org.etsi.mts.tdl.common/src/org/etsi/mts/tdl/scoping/TDLScopeProvider.java
#	plugins/org.etsi.mts.tdl.helper/META-INF/MANIFEST.MF
#	plugins/org.etsi.mts.tdl.openapi2tdl.next/META-INF/MANIFEST.MF

Message receive handling between multiple receivers + exceptional behavior handling corrected + interaction target assignment added + time variable type corrected + added support for DataElementUse and MemberAssignment + timer period calculation and timelabel handling corrected + TRI updates + exceptional behavior datause variables in correct scope +

Create HTTP request instances based on API operations with relevant members assigned (method, uri) + create Java mappings for enums + make names unique (e.g. enum literals in package scope)

Generate Java mappings for OpenAPI-based types using Java code generator processing (so we get exact class/field/method names as generated code).