Bump Scala to 2.12.8 (closes #54)

Author: Sebastian Nadorp

.travis.yml

@@ -1,7 +1,7 @@
 language: scala
 scala:
 - 2.11.12
-- 2.12.6
+- 2.12.8
 jdk:
 - oraclejdk8
 script:
@@ -11,7 +11,7 @@ deploy:
   provider: script
   script: "./.travis/deploy.sh $TRAVIS_TAG"
   on:
-    condition: '"${TRAVIS_SCALA_VERSION}" == "2.12.6"'
+    condition: '"${TRAVIS_SCALA_VERSION}" == "2.12.8"'
     tags: true
 after_success:
 - bash <(curl -s https://codecov.io/bash)

build.sbt

@@ -1,14 +1,12 @@
-import com.typesafe.sbt.SbtGit.GitKeys._
-
 val root = (project in file(".")).
   enablePlugins(ScalaUnidocPlugin, GhpagesPlugin).
   settings(
     name          := "scala-referer-parser",
     organization  := "com.snowplowanalytics",
     version       := "0.4.0",
     description   := "Library for extracting marketing attribution data from referer URLs",
-    scalaVersion  := "2.12.6",
-    crossScalaVersions := Seq("2.11.12", "2.12.6"),
+    scalaVersion  := "2.12.8",
+    crossScalaVersions := Seq("2.11.12", "2.12.8"),
     scalacOptions := BuildSettings.compilerOptions,
 
     libraryDependencies ++= Seq(