Update .travis.yml and build script for Linux (#479)

Author: saudet

.travis.yml

@@ -1,26 +1,26 @@
-language: java
-
+branches:
+  only:
+    - master
+dist: trusty
+sudo: false
 cache:
   directories:
-  - $HOME/.m2
-
+    - $HOME/.m2
+language: java
 jdk:
-  - oraclejdk7
-
-# for running tests on Travis CI container infrastructure for faster builds
-sudo: true
-
-
-
-before_install:
-  - sed -i.bak -e 's|https://nexus.codehaus.org/snapshots/|https://oss.sonatype.org/content/repositories/codehaus-snapshots/|g' ~/.m2/settings.xml
-  - sudo apt-get install build-essential git
-  - export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:/usr/local/lib
-  - git clone https://github.com/xianyi/OpenBLAS && cd OpenBLAS && sudo make && sudo make install
-  - ls /opt/OpenBLAS/lib
-  - sudo ln -s /opt/OpenBLAS/lib/libopenblas_haswellp-*.so /usr/lib/libblas.so.3
-  - sudo ln -s /opt/OpenBLAS/lib/libopenblas_haswellp-*.so /usr/lib/liblapack.so.3
-  - git clone https://github.com/deeplearning4j/nd4j && cd nd4j && mvn clean install -DskipTests -Dmaven.javadoc.skip=true && cd ..
+  - openjdk8
+matrix:
+  include:
+    - os: linux
+      env: OS=linux-x86_64 SCALA=2.10 SPARK=1
+      install: true
+      script: bash ./ci/build-linux-x86_64.sh
+    - os: linux
+      env: OS=linux-x86_64 SCALA=2.11 SPARK=1
+      install: true
+      script: bash ./ci/build-linux-x86_64.sh
+    - os: linux
+      env: OS=linux-x86_64 SCALA=2.11 SPARK=2
+      install: true
+      script: bash ./ci/build-linux-x86_64.sh
 
-script:
-  -  cd /home/travis/build/deeplearning4j/DataVec && chmod +x ./runtests.sh && ./runtests.sh

ci/build-linux-x86_64.sh

@@ -0,0 +1,13 @@
+#!/bin/bash
+set -evx
+
+if [[ $TRAVIS_PULL_REQUEST == "false" ]]; then
+    MAVEN_PHASE="deploy"
+else
+    MAVEN_PHASE="install"
+fi
+
+source change-scala-versions.sh $SCALA
+source change-spark-versions.sh $SPARK
+mvn clean $MAVEN_PHASE -B -U --settings ./ci/settings.xml -Dmaven.test.skip=true -Dlocal.software.repository=sonatype
+

ci/settings.xml

@@ -0,0 +1,12 @@
+<settings xmlns="http://maven.apache.org/SETTINGS/1.0.0"
+  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+  xsi:schemaLocation="http://maven.apache.org/SETTINGS/1.0.0
+                      https://maven.apache.org/xsd/settings-1.0.0.xsd">
+  <servers>
+    <server>
+      <id>sonatype-nexus-snapshots</id>
+      <username>${env.SONATYPE_USERNAME}</username>
+      <password>${env.SONATYPE_PASSWORD}</password>
+    </server>
+  </servers>
+</settings>