Added travis CI

Author: vietj

.travis.deploy.artifacts.sh

@@ -0,0 +1,5 @@
+PROJECT_VERSION=$(mvn org.apache.maven.plugins:maven-help-plugin:evaluate -Dexpression=project.version -B | grep -v '\[')
+if [[ "$PROJECT_VERSION" =~ .*SNAPSHOT ]] && [[ "${TRAVIS_BRANCH}" =~ ^master$|^[0-9]+\.[0-9]+$ ]] && [[ "${TRAVIS_PULL_REQUEST}" = "false" ]];
+then
+  mvn deploy -s .travis.maven.settings.xml -DskipTests -B;
+fi

.travis.maven.settings.xml

@@ -0,0 +1,17 @@
+<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
+                      http://maven.apache.org/xsd/settings-1.0.0.xsd">
+
+  <interactiveMode>false</interactiveMode>
+
+  <servers>
+    <server>
+      <id>sonatype-nexus-snapshots</id>
+      <username>${env.SONATYPE_NEXUS_USERNAME}</username>
+      <password>${env.SONATYPE_NEXUS_PASSWORD}</password>
+    </server>
+  </servers>
+
+</settings>
+

.travis.yml

@@ -0,0 +1,25 @@
+language: java
+branches:
+  only:
+  - master
+  - /^\d+\.\d+$/
+jobs:
+  include:
+    - stage: test
+      name: "OracleJDK 8"
+      jdk: oraclejdk8
+      script: mvn -q clean verify -B
+    - if: type != pull_request
+      name: "OpenJDK 11"
+      jdk: openjdk11
+      script: mvn -q clean verify -B
+    - stage: deploy
+      name: "Deploy to Sonatype's snapshots repository"
+      if: type != pull_request
+      script: bash .travis.deploy.artifacts.sh
+notifications:
+  email:
+    recipients:
+      - [email protected]
+    on_success: always
+    on_failure: always

README.md

@@ -1,5 +1,7 @@
 # Vertx shell
 
+[![Build Status](https://travis-ci.org/vert-x3/vertx-shell.svg?branch=master)](https://travis-ci.org/vert-x3/vertx-shell)
+
 ## Documentation
 
 * [Java documentation](http://vertx.io/docs/vertx-shell/java/)