IT-208 - Add config for github (#1)

* IT-208 - Add config for github

Author: Henrik Adamski

.gitignore

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+/target/
+/.settings/
+/.classpath
+/.project
+/.idea
+*.iml

.travis.yml

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+sudo: required
+
+services:
+  - docker
+
+language: java
+
+jdk:
+  - oraclejdk8
+  - oraclejdk11
+
+cache:
+  directories:
+    - $HOME/.m2
+
+install: mvn verify -Dgpg.skip=true
+
+before_install:
+  - wget -O ~/codacy-coverage-reporter-assembly.jar https://github.com/codacy/codacy-coverage-reporter/releases/download/4.0.5/codacy-coverage-reporter-4.0.5-assembly.jar
+
+after_success:
+  - java -jar ~/codacy-coverage-reporter-assembly.jar report -l Java -r target/site/jacoco/jacoco.xml

Jenkinsfile

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+pipeline
+{
+    agent any
+
+    environment
+    {
+        deploymentBranch = "master"
+        mavenExecutable = "mvn-jdk8"
+    }
+
+    triggers
+    {
+        cron('H H(0-5) * * *')
+        pollSCM('@hourly')
+    }
+
+    options
+    {
+        buildDiscarder(logRotator(numToKeepStr:'10'))
+        disableConcurrentBuilds()
+        skipStagesAfterUnstable()
+        timeout(time: 1, unit: 'HOURS')
+    }
+
+    stages
+    {
+        stage('Compile')
+        {
+            steps
+            {
+                sh '${mavenExecutable} clean compile test-compile'
+            }
+        }
+
+        stage('Unit-Tests')
+        {
+            steps
+            {
+                sh '${mavenExecutable} surefire:test'
+            }
+        }
+
+        stage('Integration-Tests')
+        {
+        	when { branch "${env.deploymentBranch}" }
+
+            steps
+            {
+                sh '${mavenExecutable} failsafe:integration-test failsafe:verify'
+            }
+        }
+
+        stage('Release')
+        {
+            when { branch "${env.deploymentBranch}" }
+
+            steps
+            {
+                sh '${mavenExecutable} clean deploy -Dmaven.test.skip=true'
+            }
+        }
+
+        stage('SonarQube')
+        {
+        	when { branch "${env.deploymentBranch}" }
+
+            steps
+            {
+                sh '${mavenExecutable} clean verify sonar:sonar -Dsonar.host.url=http://sonarqube.avidesmedia/'
+            }
+        }
+    }
+}

README.md

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-# gitlab-release-maven-plugin
+# gitlab-release-maven-plugin
+
+[![Maven Central](https://img.shields.io/maven-metadata/v/http/central.maven.org/maven2/com/avides/gitlab/gitlab-release-maven-plugin/maven-metadata.xml.svg)](https://search.maven.org/#search%7Cgav%7C1%7Cg%3A%22com.avides.gitlab%22%20AND%20a%3A%22gitlab-release-maven-plugin%22)
+[![Codacy Badge](https://api.codacy.com/project/badge/Grade/d7eca0c7e4684857ab166dcbcf2b75b5)](https://www.codacy.com/app/avides-builds/gitlab-release-maven-plugin)
+[![Codacy Badge](https://api.codacy.com/project/badge/Coverage/d7eca0c7e4684857ab166dcbcf2b75b5)](https://www.codacy.com/app/avides-builds/gitlab-release-maven-plugin)
+[![Build Status](https://travis-ci.org/avides/gitlab-release-maven-plugin.svg?branch=master)](https://travis-ci.org/avides/gitlab-release-maven-plugin)
+
+The gitlab-release-maven-plugin creates tags on your GitLab Repository by your project version in your maven build.
+
+## Plugin
+
+### With required configuration options
+```xml
+<plugin>
+    <groupId>com.avides.gitlab</groupId>
+    <artifactId>gitlab-release-maven-plugin</artifactId>
+    <version>2.2.0-RELEASE</version>
+</plugin>
+```
+
+### With all options
+```xml
+<plugin>
+    <groupId>com.avides.gitlab</groupId>
+    <artifactId>gitlab-release-maven-plugin</artifactId>
+    <version>2.2.0-RELEASE</version>
+    <configuration>
+        <gitlabHost>http://your-custom-gitlab-domain/</gitlabHost>
+        <gitlabAccessToken>GITLAB_ACCESS_TOKEN</gitlabAccessToken>
+        <gitlabRepositoryNamespace>repository-namespace</gitlabRepositoryNamespace>
+        <gitlabRepositoryName>project-name</gitlabRepositoryName>
+        <projectVersion>0.1.0-RELEASE</projectVersion>
+        <gitlabPreReleaseDesired>true</gitlabPreReleaseDesired>
+        <gitlabBranchName>YOUR_DEPLOYMENT_BRANCH</gitlabBranchName>        
+    </configuration>
+</plugin>
+```
+
+## Configuration options
+| Property                  | Description                                                                                                         | Required |
+| ------------------------- | ------------------------------------------------------------------------------------------------------------------- | -------- |
+| gitlabHost                | Your custom GitLab URL (default: `https://gitlab.com`)                                                              | No       |
+| gitlabAccessToken         | Your User GitLab Access Token (Pass this token directly in the execute command, `-DgitlabAccessToken=ACCESS_TOKEN`) | Yes      |
+| gitlabRepositoryNamespace | Repository namespace (If `project.scm.url` is set in your pom, it will be resolved automatically.)                  | No       |
+| gitlabRepositoryName      | Repository name (default: `${project.name}`)                                                                        | No       |
+| projectVersion            | Project version and finally the Release-Tag name (default: `${project.version}`)                                    | No       |
+| gitlabPreReleaseDesired   | If `true`, PRE-Releases will be create a Release-Tag, otherwise not (default: `false`)                              | No       |
+| gitlabBranchName          | Your deployment branch (default: `master`)                                                                          | No       |
+
+## Usage
+```bash
+mvn gitlab-release:release -DgitlabAccessToken=ACCESS_TOKEN
+```