Add scoping tests and simplify implicit nodes

* Do not export implicit nodes to the global scope
* Enum literals must not be quoted
* Plan for the future: unify quoted nodes from the global scope in
  post-processing

1 files changed, 2 insertions, 0 deletions

diff --git a/build.gradle b/build.gradle
index fa501550..de2a7fb3 100644
--- a/build.gradle
+++ b/build.gradle
@@ -9,6 +9,8 @@ buildscript {
 
 subprojects {
         ext.xtextVersion = '2.26.0.M1'
+        ext.hamcrestVersion = '2.2'
+
         repositories {
                 mavenCentral()
         }