changed Xtext version in the idea project
changed Xtext version in the idea project
LorenzoBettini/packtpub-xtext-book-2nd-examples,LorenzoBettini/packtpub-xtext-book-2nd-examples,LorenzoBettini/packtpub-xtext-book-2nd-examples,LorenzoBettini/packtpub-xtext-book-2nd-examples