Bump Scala versions up, run tests against two Scala versions

Author: pomadchin

.sbtopts

@@ -1,3 +1,4 @@
--J-Xmx4G
+-J-Xmx2G
+-J-Xss512M
 -Djava.awt.headless=true
 -Dsun.io.serialization.extendedDebugInfo=true

.travis.yml

@@ -1,4 +1,6 @@
 sudo: false
+before_install:
+  - docker pull daunnc/pdal:1.7.1
 language: scala
 addons:
   hostname: localhost
@@ -7,13 +9,14 @@ services:
 jdk:
   - oraclejdk8
 scala:
-  - 2.11.11
+  - 2.11.12
+  - 2.12.5
 cache:
   directories:
    - $HOME/.ivy2
    - $HOME/.sbt
 script:
-  - docker run -it --net=host -v $HOME/.ivy2:/root/.ivy2 -v $HOME/.sbt:/root/.sbt -v $TRAVIS_BUILD_DIR:/pdal-java -e TRAVIS_SCALA_VERSION=$TRAVIS_SCALA_VERSION -e TRAVIS_COMMIT=$TRAVIS_COMMIT -e TRAVIS_JDK_VERSION=$TRAVIS_JDK_VERSION daunnc/pdal:1.7.1 /bin/bash -c "cd /pdal-java; ./sbt test"
+  - docker run -it --net=host -v $HOME/.ivy2:/root/.ivy2 -v $HOME/.sbt:/root/.sbt -v $TRAVIS_BUILD_DIR:/pdal-java -e TRAVIS_SCALA_VERSION=$TRAVIS_SCALA_VERSION -e TRAVIS_COMMIT=$TRAVIS_COMMIT -e TRAVIS_JDK_VERSION=$TRAVIS_JDK_VERSION daunnc/pdal:1.7.1 /bin/bash -c "cd /pdal-java; .travis/test-all.sh"
 notifications:
   email:
     recipients:

.travis/test-212.sh

@@ -0,0 +1,4 @@
+#!/usr/bin/env bash
+
+./sbt "-212" "project core" test
+./sbt "-212" "project core-scala" test

.travis/test-all.sh

@@ -0,0 +1,7 @@
+#!/usr/bin/env bash
+
+if [ `echo $TRAVIS_SCALA_VERSION | cut -f1-2 -d "."` = "2.11" ]; then
+    .travis/test.sh;
+else
+    .travis/test-212.sh
+fi

.travis/test.sh

@@ -0,0 +1,4 @@
+#!/usr/bin/env bash
+
+./sbt "project core" test
+./sbt "project core-scala" test

build.sbt

@@ -2,8 +2,8 @@ name := "pdal-jni"
 
 lazy val commonSettings = Seq(
   version := "1.7.0" + Environment.versionSuffix,
-  scalaVersion := "2.11.11",
-  crossScalaVersions := Seq("2.12.4", "2.11.11"),
+  scalaVersion := "2.11.12",
+  crossScalaVersions := Seq("2.12.5", "2.11.12"),
   organization := "io.pdal",
   description := "PDAL JNI bindings",
   licenses := Seq("BSD" -> url("https://github.com/PDAL/PDAL/blob/master/LICENSE.txt")),