Upgrade Scala Version Travis and minor version upgrade of dependencies (#90)

Author: ElfoLiNk

.travis.yml

@@ -4,8 +4,8 @@ jdk:
   - oraclejdk8
 
 scala:
-  - 2.11.8
-  - 2.12.1
+  - 2.11.11
+  - 2.12.3
 
 sudo: false
 

build.sbt

@@ -2,9 +2,9 @@ import sbtrelease.Version
 
 parallelExecution in ThisBuild := false
 
-val kafkaVersion = "0.11.0.0"
-val zookeeperVersion = "3.4.9"
-val akkaVersion = "2.4.17"
+val kafkaVersion = "0.11.0.1"
+val zookeeperVersion = "3.4.10"
+val akkaVersion = "2.4.20"
 
 val slf4jLog4jOrg = "org.slf4j"
 val slf4jLog4jArtifact = "slf4j-log4j12"
@@ -22,10 +22,10 @@ lazy val commonSettings = Seq(
 )
 
 lazy val commonLibrarySettings = libraryDependencies ++= Seq(
-  "org.scalatest" %% "scalatest" % "3.0.1",
+  "org.scalatest" %% "scalatest" % "3.0.4",
   "org.apache.kafka" %% "kafka" % kafkaVersion exclude(slf4jLog4jOrg, slf4jLog4jArtifact),
   "org.apache.zookeeper" % "zookeeper" % zookeeperVersion exclude(slf4jLog4jOrg, slf4jLog4jArtifact),
-  "org.apache.avro" % "avro" % "1.8.1" exclude(slf4jLog4jOrg, slf4jLog4jArtifact),
+  "org.apache.avro" % "avro" % "1.8.2" exclude(slf4jLog4jOrg, slf4jLog4jArtifact),
   "com.typesafe.akka" %% "akka-actor" % akkaVersion % Test,
   "com.typesafe.akka" %% "akka-testkit" % akkaVersion % Test,
   slf4jLog4jOrg % slf4jLog4jArtifact % "1.7.25" % Test
@@ -72,7 +72,7 @@ lazy val embeddedKafka = (project in file("embedded-kafka"))
   .settings(publishSettings: _*)
   .settings(commonSettings: _*)
   .settings(commonLibrarySettings)
-  .settings(libraryDependencies += "org.mockito" % "mockito-core" % "2.7.14" % Test)
+  .settings(libraryDependencies += "org.mockito" % "mockito-core" % "2.7.22" % Test)
   .settings(releaseSettings: _*)
 
 lazy val kafkaStreams = (project in file("kafka-streams"))