Update build configuration, tests and workflows.

Add Maven wrapper

Attempt to stabilise time code test.

Update pom with Njord extension for deployment.

Various Javadoc fixes to address Javadoc NPE failure.

Author: neilcsmith-net

.github/workflows/maven.yml

@@ -4,36 +4,36 @@ on:
   [push, pull_request]
 
 jobs:
-  test-1-16:
+  test-1-24-jdk25:
 
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-24.04
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v5
 
-      - name: Set up JDK 1.8
-        uses: actions/setup-java@v3
+      - name: Set up JDK 25
+        uses: actions/setup-java@v5
         with:
-         java-version: '8'
+         java-version: '25'
          distribution: 'temurin'
 
       - name: Install GStreamer
         run: sudo apt-get update && sudo apt-get install gstreamer1.0-plugins-good gstreamer1.0-plugins-bad
 
       - name: Build with Maven
-        run: mvn -B verify --file pom.xml
+        run: ./mvnw --batch-mode verify
 
-  test-1-20:
+  test-1-20-jdk8:
 
     runs-on: ubuntu-22.04
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v5
 
-      - name: Set up JDK 1.8
-        uses: actions/setup-java@v3
+      - name: Set up JDK 8
+        uses: actions/setup-java@v5
         with:
          java-version: '8'
          distribution: 'temurin'
@@ -42,4 +42,4 @@ jobs:
         run: sudo apt-get update && sudo apt-get install gstreamer1.0-plugins-good gstreamer1.0-plugins-bad
 
       - name: Build with Maven
-        run: mvn -B verify --file pom.xml
+        run: ./mvnw --batch-mode verify

.mvn/wrapper/maven-wrapper.properties

@@ -0,0 +1,4 @@
+wrapperVersion=3.3.4
+distributionType=only-script
+distributionUrl=https://repo.maven.apache.org/maven2/org/apache/maven/apache-maven/3.9.11/apache-maven-3.9.11-bin.zip
+distributionSha256Sum=0d7125e8c91097b36edb990ea5934e6c68b4440eef4ea96510a0f6815e7eeadb