Bump plugin versions

Author: str4d

pom.xml

@@ -56,17 +56,17 @@
           <target>1.6</target>
           <encoding>${project.build.sourceEncoding}</encoding>
         </configuration>
-        <version>3.1</version>
+        <version>3.7.0</version>
       </plugin>
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-surefire-plugin</artifactId>
-        <version>2.17</version>
+        <version>2.21.0</version>
       </plugin>
       <plugin>
         <groupId>org.apache.felix</groupId>
         <artifactId>maven-bundle-plugin</artifactId>
-        <version>3.0.1</version>
+        <version>3.5.0</version>
         <extensions>true</extensions>
         <configuration>
           <instructions>
@@ -86,7 +86,7 @@
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-source-plugin</artifactId>
-        <version>2.2.1</version>
+        <version>3.0.1</version>
         <executions>
           <execution>
             <id>attach-sources</id>
@@ -99,7 +99,7 @@
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-javadoc-plugin</artifactId>
-        <version>2.9.1</version>
+        <version>3.0.0</version>
         <configuration>
           <charset>UTF-8</charset>
           <docencoding>UTF-8</docencoding>
@@ -129,7 +129,7 @@
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-gpg-plugin</artifactId>
-        <version>1.5</version>
+        <version>1.6</version>
         <executions>
           <execution>
             <id>sign-artifacts</id>
@@ -143,7 +143,7 @@
       <plugin>
         <groupId>org.sonatype.plugins</groupId>
         <artifactId>nexus-staging-maven-plugin</artifactId>
-        <version>1.6.7</version>
+        <version>1.6.8</version>
         <extensions>true</extensions>
         <configuration>
           <serverId>ossrh</serverId>
@@ -163,7 +163,7 @@
     <dependency>
       <groupId>junit</groupId>
       <artifactId>junit</artifactId>
-      <version>4.11</version>
+      <version>4.12</version>
       <type>maven-plugin</type>
       <scope>test</scope>
     </dependency>