Added pictures to explain how to see the status of the travis build. …

…Moved travis configuration into a separate folder since it is not part of gradle.

docs/devops/gradle/Introduction to Gradle.md

@@ -1,11 +1,11 @@
 # Gradle
 
 ## Background
-[Gradle](https://gradle.org/) is an integration technology that addressbook uses for continuous integration:
-- building the application JAR
+[Gradle](https://gradle.org/) is an integration technology that addressbook uses for:
 - handling project dependencies
-- testing (including coverage of test cases)
 - checking for bugs & code style violations
+- building the application JAR
+- testing (including coverage of test cases)
 
 We have wrapped our project in a [Gradle Wrapper](https://docs.gradle.org/current/userguide/gradle_wrapper.html), so that anyone who has cloned the repository can perform the same gradle tasks to manage dependencies or perform automated testing.
 The gradle details are defined in `build.gradle`, which is a Groovy script. You can start learning them from [Build Scripts Basics](https://docs.gradle.org/current/userguide/tutorial_using_tasks.html).

docs/devops/gradle/Configuring Travis CI.md → docs/devops/integration/Configuring Travis CI.md

@@ -18,20 +18,24 @@ See [Travis CI Documentation](https://docs.travis-ci.com/) for more details.
 4. Activate the travis CI switch.  
 ![Activate the switch](../../images/flick_repository_switch.png)
 5. Create the following `travis.yml` file in the main folder
-```
-language: java
-matrix:
-  include:
-    - jdk: oraclejdk8
-script: ./gradlew clean headless allTests coverage coveralls -i
-before_install:
-          - "export DISPLAY=:99.0"
-          - "sh -e /etc/init.d/xvfb start"
-
-addons:
-  apt:
-    packages:
-      - oracle-java8-installer
-```
-
-To see the CI in action, push a commit to the master branch!
+    ```
+    language: java
+    matrix:
+      include:
+        - jdk: oraclejdk8
+    script: ./gradlew clean headless allTests coverage coveralls -i
+    before_install:
+              - "export DISPLAY=:99.0"
+              - "sh -e /etc/init.d/xvfb start"
+    
+    addons:
+      apt:
+        packages:
+          - oracle-java8-installer
+    ```
+6. To see the CI in action, push a commit to the master branch!  
+Go to the repository and see the pushed commit. There should be an icon which will link you to the Travis build.
+![Commit build](../../images/build_pending.png)
+
+As the build is run on a provided remote machine, we can only examine the logs it produces:
+![Travis build](../../images/travis_build.png)