Merge pull request scalacenter#1829 from tgodzik/revert-bsp

bugfix: Revert to bsp 2.0.0, since later versions don't run on JDK 8

Author: tgodzik

project/Dependencies.scala

@@ -16,7 +16,7 @@ object Dependencies {
   // Keep in sync in BloopComponentCompiler
   val zincVersion = "1.6.0"
 
-  val bspVersion = "2.1.0-M1"
+  val bspVersion = "2.0.0"
   val javaDebugVersion = "0.21.0+1-7f1080f1"
 
   val scalazVersion = "7.2.20"