Update plugins

Author: javabeanz

pom.xml

@@ -75,7 +75,7 @@
         <plugin>
           <groupId>org.apache.maven.plugins</groupId>
           <artifactId>maven-compiler-plugin</artifactId>
-          <version>3.6.0</version>
+          <version>3.6.1</version>
           <configuration>
             <source>1.7</source>
             <target>1.7</target>
@@ -87,7 +87,7 @@
       <plugin>
         <groupId>org.jacoco</groupId>
         <artifactId>jacoco-maven-plugin</artifactId>
-        <version>0.7.7.201606060606</version>
+        <version>0.7.9</version>
         <executions>
           <execution>
             <goals>
@@ -153,7 +153,7 @@
           <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>