534099: Contribute Xtext 2.14 compatible version to SimRel

Change-Id: I26320b67545680779d4566291a90a95a930041ba
Task-Url: https://bugs.eclipse.org/bugs/show_bug.cgi?id=534099
Signed-off-by: Lorenzo Bettini <lorenzo.bettini@gmail.com>
23 files changed