UPDATED: grammar, metamodel references are done with the 'metamodel' keyword, no longer 'use'. The 'use' keyword will be used for java service references.
ADDED: Ability to refer to java service
ADDED: some stuffs
ADDED: target platform
update the target platform to make mwe work again
Add support for JavaLinking and re-gen with Xtext 2.7.2
Merge pull request #1 from mbarbero/Java_Linking

Java linking
FIXED: Java linking final fix