add macro paradise and macro-compat

this was supposed to have already happened when I merged #206 onto
2.12.x, but apparently I messed it up

Author: SethTisue

common.conf

@@ -93,6 +93,8 @@ vars: {
   acyclic-ref                  : "lihaoyi/acyclic.git"
   sourcecode-ref               : "lihaoyi/sourcecode.git"
   fastparse-ref                : "lihaoyi/fastparse.git"
+  macro-paradise-ref           : "scalamacros/paradise.git#2.12.x"
+  macro-compat-ref             : "milessabin/macro-compat.git"
 
   specs2-3-ref                 : "adriaanm/specs2.git#community-build-3.6" // "etorreborre/specs2.git#SPECS2-3.6.2"
   specs2-2-ref                 : "adriaanm/specs2.git#community-build-2.4" // "etorreborre/specs2.git#SPECS2-2.4.17"
@@ -469,6 +471,18 @@ build += {
     extra.run-tests: false // TODO: tests depend on lambda toString looking like e.g `<function1>`
   }
 
+  ${vars.base} {
+    name:   "macro-paradise",
+    uri:    "http://github.com/"${vars.macro-paradise-ref}
+  }
+
+  ${vars.base} {
+    name:   "macro-compat",
+    uri:    "http://github.com/"${vars.macro-compat-ref}
+    // no Scala.js plz
+    extra.projects: ["testJVM"]
+  }
+
 ]
 }