Merge pull request #24 from sbabcoc/pr/advance-to-j8

Build for Java 8; upgrade dependencies and plugins

pom.xml

@@ -27,24 +27,24 @@
 
   <properties>
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-    <maven.compiler.release>7</maven.compiler.release>
-    <logback.version>1.2.9</logback.version>
+    <maven.compiler.release>8</maven.compiler.release>
+    <logback.version>1.2.11</logback.version>
     <slf4j.version>1.7.32</slf4j.version>
     <junit.version>4.13.2</junit.version>
-    <java-utils.version>2.1.0</java-utils.version>
-    <commons-lang3.version>3.8.1</commons-lang3.version>
-    <commons-config.version>2.3</commons-config.version>
+    <java-utils.version>3.0.0</java-utils.version>
+    <commons-lang3.version>3.12.0</commons-lang3.version>
+    <commons-config.version>2.7</commons-config.version>
     <commons-beanutils.version>1.9.4</commons-beanutils.version>
-    <snakeyaml.version>1.28</snakeyaml.version>
+    <snakeyaml.version>1.30</snakeyaml.version>
     <sonar.language>java</sonar.language>
-    <compiler-plugin.version>3.8.1</compiler-plugin.version>
-    <surefire-plugin.version>3.0.0-M5</surefire-plugin.version>
-    <jacoco-plugin.version>0.8.7</jacoco-plugin.version>
+    <compiler-plugin.version>3.10.1</compiler-plugin.version>
+    <surefire-plugin.version>3.0.0-M7</surefire-plugin.version>
+    <jacoco-plugin.version>0.8.8</jacoco-plugin.version>
     <source-plugin.version>3.2.1</source-plugin.version>
-    <javadoc-plugin.version>3.3.0</javadoc-plugin.version>
+    <javadoc-plugin.version>3.4.0</javadoc-plugin.version>
     <gpg-plugin.version>3.0.1</gpg-plugin.version>
-    <staging-plugin.version>1.6.8</staging-plugin.version>
-    <release-plugin.version>3.0.0-M4</release-plugin.version>
+    <staging-plugin.version>1.6.13</staging-plugin.version>
+    <release-plugin.version>3.0.0-M6</release-plugin.version>
     <skipSigning>true</skipSigning>
   </properties>