Revert "Go back to sbt 0.13.5 until 0.13.9 is published on type safe artifactory"

DarkDimius · DarkDimius · commit f13d7414a114 · 2015-11-09T14:35:24.000+01:00
This reverts commit 2f41c73.
diff --git a/project/build.properties b/project/build.properties
@@ -1 +1 @@
-sbt.version=0.13.5
+sbt.version=0.13.9
