build mima master branch now that 2.12 support was merged

note that this requires being on sbt 0.13.16

Author: SethTisue

configs/community.dbuild

@@ -538,15 +538,9 @@ build += {
     extra.options: ["-DSKIP_FLAKY=true"]
   }
 
-  // note that we don't have MiMa in the JDK6 build.  I tried but it
-  // was running out of PermGen when running the functional tests.
-  // rather than sink time into investigating, just confining it to
-  // JDK8 world seems perfectly fine.
   ${vars.base} {
     name: "mima"
     uri:  ${vars.uris.mima-uri}
-    // normally MiMa runs on 2.10 (because sbt 0.13 does), so the branch won't
-    // be merged onto master for quite a while yet
     // we don't compile sbt plugins
     extra.exclude: ["sbtplugin"]
   }

configs/project-refs.conf

@@ -44,7 +44,7 @@ vars.uris: {
   machinist-uri:                "https://github.com/typelevel/machinist.git"
   macro-compat-uri:             "https://github.com/milessabin/macro-compat.git"
   macro-paradise-uri:           "https://github.com/scalacommunitybuild/paradise.git#community-build-2.12"
-  mima-uri:                     "https://github.com/typesafehub/migration-manager.git#scala-2.12"
+  mima-uri:                     "https://github.com/typesafehub/migration-manager.git"
   minitest-uri:                 "https://github.com/monix/minitest.git"
   monix-uri:                    "https://github.com/monix/monix.git#series/2.x"
   monocle-uri:                  "https://github.com/julien-truffaut/Monocle.git"