Allow travis scala 2.12.0 cross builds

- requires scalatest upgrade to 3.0.0
- upgrade kamon to 0.6.3
- do not aggregate kamon-metrics as there is no kamon build for 2.12
- upgrade to eventuate 0.8.1

.travis.yml

@@ -7,12 +7,13 @@ cache:
     - $HOME/.ivy2/cache
     - $HOME/.sbt/boot/
 script:
-  - sbt ++$TRAVIS_SCALA_VERSION test package universal:packageBin
+  - if [[ "$TRAVIS_SCALA_VERSION" == 2.11.* ]]; then kamon_tasks="kamon-metrics/test kamon-metrics/package"; else kamon_tasks=""; fi && sbt ++$TRAVIS_SCALA_VERSION test package universal:packageBin $kamon_tasks
   - find $HOME/.sbt -name "*.lock" -exec rm {} +
   - find $HOME/.ivy2 -name "ivydata-*.properties" -exec rm {} +
 after_success:
-  - if [ "$TRAVIS_PULL_REQUEST" = false ] && [ "$TRAVIS_BRANCH" = master -o -n "$TRAVIS_TAG" ]; then sbt ++$TRAVIS_SCALA_VERSION publish; fi
+  - if [ "$TRAVIS_PULL_REQUEST" = false ] && [ "$TRAVIS_BRANCH" = master -o -n "$TRAVIS_TAG" ]; then if [[ "$TRAVIS_SCALA_VERSION" == 2.11.* ]]; then kamon_tasks="kamon/publish"; else kamon_tasks=""; fi && sbt ++$TRAVIS_SCALA_VERSION publish $kamon_tasks; fi
 scala:
-  - 2.11.7
+  - 2.11.8
+  - 2.12.0
 jdk:
   - oraclejdk8

build.sbt

@@ -6,6 +6,9 @@ lazy val dropwizardMetrics = subProject("dropwizard-metrics").dependsOn(testCore
 lazy val kamonMetrics = subProject("kamon-metrics").dependsOn(testCore % "test->test")
 lazy val dropwizardHealth = subProject("dropwizard-healthchecks").dependsOn(testCore % "test->test")
 
+// exclude kamon by default as there is no scala 2.12 build yet
+lazy val root = (project in file(".")).aggregate(testCore, logViewer, dropwizardMetrics, dropwizardHealth)
+
 // release
 releaseProcess := Seq[ReleaseStep](
   checkSnapshotDependencies,

kamon-metrics/build.sbt

@@ -1 +1 @@
-libraryDependencies += "io.kamon" %% "kamon-core" % "0.6.0"
+libraryDependencies += "io.kamon" %% "kamon-core" % "0.6.3"

project/Dependencies.scala

@@ -2,7 +2,7 @@ import sbt._
 
 object Dependencies {
 
-  val eventuateVersion = "0.8"
+  val eventuateVersion = "0.8.1"
   val akkaVersion = "2.4.12"
   val dropWizardMetricsVersion = "3.1.0"
 
@@ -19,7 +19,7 @@ object Dependencies {
     "com.typesafe.akka" %% "akka-testkit" % akkaVersion
   )
   lazy val scalaTest = Seq(
-    "org.scalatest" %% "scalatest" % "2.2.6"
+    "org.scalatest" %% "scalatest" % "3.0.0"
   )
   lazy val dropWizardMetrics = Seq(
     dropwizardMetricsGroup % "metrics-core" % dropWizardMetricsVersion