Increase maven plugin versions. (#209)

Author: chrjohn

pom.xml

@@ -73,16 +73,16 @@
 		<junit.version>4.12</junit.version>
 		<mainClass />
 
-		<maven-resources-plugin-version>3.0.2</maven-resources-plugin-version>
-		<maven-compiler-plugin-version>3.7.0</maven-compiler-plugin-version>
-		<maven-jar-plugin-version>3.0.2</maven-jar-plugin-version>
-		<maven-surefire-plugin-version>2.20.1</maven-surefire-plugin-version>
-		<maven-pmd-plugin-version>3.8</maven-pmd-plugin-version>
+		<maven-resources-plugin-version>3.1.0</maven-resources-plugin-version>
+		<maven-compiler-plugin-version>3.8.0</maven-compiler-plugin-version>
+		<maven-jar-plugin-version>3.1.0</maven-jar-plugin-version>
+		<maven-surefire-plugin-version>2.22.0</maven-surefire-plugin-version>
+		<maven-pmd-plugin-version>3.10.0</maven-pmd-plugin-version>
 		<maven-source-plugin-version>3.0.1</maven-source-plugin-version>
 		<maven-javadoc-plugin-version>2.10.4</maven-javadoc-plugin-version>
-		<maven-shade-plugin-version>3.1.0</maven-shade-plugin-version>
+		<maven-shade-plugin-version>3.1.1</maven-shade-plugin-version>
 		<maven-assembly-plugin-version>3.1.0</maven-assembly-plugin-version>
-		<maven-bundle-plugin-version>3.3.0</maven-bundle-plugin-version>
+		<maven-bundle-plugin-version>3.5.1</maven-bundle-plugin-version>
 		<maven-gpg-plugin-version>1.6</maven-gpg-plugin-version>
 		<maven-deploy-plugin-version>2.8.2</maven-deploy-plugin-version>
 		<nexus-staging-maven-plugin-version>1.6.8</nexus-staging-maven-plugin-version>