Switch to sbt 1.2.3

alexarchambault · alexarchambault · commit 169a71d44473 · 2018-10-05T12:02:11.000+02:00
diff --git a/project/build.properties b/project/build.properties
@@ -1 +1 @@
-sbt.version=1.1.6
+sbt.version=1.2.3
