Update version for maven.compiler; update repo URL for win and macos

MAC_LINUX_DOCKER.md

@@ -14,16 +14,16 @@ Create a freestyle job and configure it as follows:
 
 1. Under `Source Code Management`, select `Git` and enter the following URL:
     ```
-    https://github.com/managedkaos/apache-maven-hello-world
+    https://github.com/LinkedInLearning/learning-jenkins-3003221
     ```
 1. **MAKE SURE TO SET THE `Branch Specifier` to `*/03_01`**.
 1. Add a build step using `Invoke Top-Level Maven Target`.
 1. Select the Maven version you configured in the previous step.
 1. For the goal, enter `package`.
-1. Add a build step using the `Execute shell` build step and enter:  
+1. Add a build step using the `Execute shell` build step and enter:
     ```
     java -cp target/hello-1.0-SNAPSHOT.jar com.learningjenkins.App
-    ```    
+    ```
 1. Save the job and start the build.
 
 ## Troubleshooting Errors

README.md

@@ -5,10 +5,12 @@ You will need to configure Maven as a global build tool.
 
 In the Jenkins web interface, go to:
 
-`Manage Jenkins` -> `Global Tool Configuration` -> `Maven installations` -> `Add Maven`.
+`Manage Jenkins` -> `Tools` -> `Maven installations` -> `Add Maven`.
 
 Give your Maven installation a name and check the option to `Install automatically`.
 
+Select the `Save` button.
+
 ## Setting up the Jenkins Job
 Create a freestyle job and configure it as follows:
 
@@ -22,7 +24,9 @@ https://github.com/LinkedInLearning/learning-jenkins-3003221
 5. For the goal, enter `package`.
 
 ## WINDOWS SYSTEMS
-Select the `Execute Windows batch command` build step
+Select `Add build step` -> `Execute Windows batch command`.
+
+Enter:
 ```
 java -cp target/hello-1.0-SNAPSHOT.jar com.learningjenkins.App
 ```
@@ -31,7 +35,9 @@ Save the job and start the build.
 [Follow this link for more details on Windows](WINDOWS.md)
 
 ## MacOS, Linux, and Docker
-Select the `Execute shell` build step.
+Select `Add build step` -> `Execute shell`.
+
+Enter:
 ```
 java -cp target/hello-1.0-SNAPSHOT.jar com.learningjenkins.App
 ```
@@ -44,4 +50,3 @@ Save the job and start the build.
 ERROR: Couldn't find any revision to build. Verify the repository and branch configuration for this job.
 ```
 This error means you have probably entered the wrong branch under Source Code Management.  You need to enter `*/03_01` for the branch.
-

WINDOWS.md

@@ -14,7 +14,7 @@ Create a freestyle job and configure it as follows:
 
 1. Under `Source Code Management`, select `Git` and enter the following URL:
 ```
-https://github.com/managedkaos/apache-maven-hello-world
+https://github.com/LinkedInLearning/learning-jenkins-3003221
 ```
 2. **MAKE SURE TO SET THE `Branch Specifier` to `*/03_01`**.
 3. Add a build step using `Invoke Top-Level Maven Target`.

pom.xml

@@ -14,8 +14,8 @@
 
   <properties>
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-    <maven.compiler.source>1.7</maven.compiler.source>
-    <maven.compiler.target>1.7</maven.compiler.target>
+    <maven.compiler.source>1.8</maven.compiler.source>
+    <maven.compiler.target>1.8</maven.compiler.target>
   </properties>
 
   <dependencies>