Update drools tutorial

Author: joneug

lectures/lsp/030_install_drools.md

@@ -5,9 +5,9 @@ title: Installing Drools
 
 **Windows, Mac and Linux (Ubuntu):**
 
-1. [Download](https://www.eclipse.org/downloads/) and install Eclipse IDE. You might want to create a new workspace for your LSP projects.
+1. [Download](https://www.eclipse.org/downloads/packages/release/2021-09/r/eclipse-ide-java-developers) and install Eclipse IDE for Java Developers (2021-09). You might want to create a new workspace for your LSP projects.
 
-2. [Download](https://download.jboss.org/drools/release/7.60.0.Final/droolsjbpm-integration-distribution-7.60.0.Final.zip) Drools and extract the zip archive to any folder.
+2. [Download](https://download.jboss.org/drools/release/7.61.0.Final/droolsjbpm-integration-distribution-7.61.0.Final.zip) Drools 7.61.0 and extract the zip archive to any folder.
 
 3. Install JBoss Tools 4.21.0
 
@@ -21,10 +21,10 @@ title: Installing Drools
 
    * Select **Help** > **Install New Software...**.
 
-   * In the **Work with:** combo box type: https://download.jboss.org/drools/release/7.46.0.Final/org.drools.updatesite/
+   * In the **Work with:** combo box type: https://download.jboss.org/drools/release/7.48.0.Final/org.drools.updatesite/
 
    * Click **Select all**.
-   
+
    * Make sure the checkbox "Contact all update sites during install to find required software" is checked.
 
 5. Create Drools Runtime:
@@ -45,10 +45,10 @@ title: Installing Drools
 
    * Enter a project name, select the drools runtime created earlier, and select **Add a sample HelloWorld rule file to this project**. Click **Finish**.
 
-   * Open the class that contains the main method. It is located in the package `com.sample` and has the same name as the project.
+   * Open the class that contains the main method. It is located in the package `com.sample`.
 
    * In order to execute the project, right-click the editor and select **Debug As** > **Drools Application**. Observe the output. 
 
-   * You can ignore the SLF4J warnings or [download](https://www.slf4j.org/download.html) the latest version, extract the archive, and add the `slf4j-simple-x.x.xx.jar` to the project's build path (right click the project > **Build Path** > **Add External Archives** > choose `slf4j-simple-x.x.xx.jar` > **OK**).
+   * You can ignore the SLF4J warnings or [download](https://www.slf4j.org/download.html) the latest version and add the `slf4j-simple-x.x.xx.jar` to the project's build path (right click the project > **Build Path** > **Add External Archives** > choose `slf4j-simple-x.x.xx.jar` > **OK**).