Alphametics - Update to Scala 2.12.1 - refs exercism#235. Add topics to config.json - refs exercism#125. (exercism#320)

Author: ricemery

config.json

@@ -496,6 +496,10 @@
       "slug": "alphametics",
       "difficulty": 1,
       "topics": [
+         "Maps",
+         "Optional values",
+         "Strings",
+         "Parsing"
       ]
 		},
     {

exercises/alphametics/build.sbt

@@ -1,6 +1,5 @@
-scalaVersion := "2.11.8"
+scalaVersion := "2.12.1"
 
-libraryDependencies += "org.scalatest" % "scalatest_2.11" % "2.2.5" % "test"
-
-libraryDependencies += "org.scala-lang.modules" %% "scala-parser-combinators" % "1.0.4"
+libraryDependencies += "org.scalatest" %% "scalatest" % "3.0.1" % "test"
+libraryDependencies += "org.scala-lang.modules" %% "scala-parser-combinators" % "1.0.5"