Enabled support for updating meta data / edm meta data.
Fixing importing of dynamic loading configs by placing them in separate namespaces.
Fixes - 1) Now correctly loads *-Dynamic-Load.xml from multiple JAR files 2) EDM services is now only unloaded if an updated resource is referenced by it.
Fixed handling of entity types with no keys e.g. Service Document.
Merge pull request #144 from mtemenos/master

Enabled support for updating meta data / edm meta data