Bumped up many maven plugins
diff --git a/pom.xml b/pom.xml
index 2cf4d72..5a27efc 100644
--- a/pom.xml
+++ b/pom.xml
@@ -29,7 +29,7 @@
   <parent>
     <groupId>org.apache</groupId>
     <artifactId>apache</artifactId>
-    <version>18</version>
+    <version>19</version>
     <relativePath />
   </parent>
 
@@ -735,7 +735,7 @@
   </scm>
 
   <prerequisites>
-    <maven>3.0.5</maven>
+    <maven>3.5.4</maven>
   </prerequisites>
 
   <properties>
@@ -779,7 +779,7 @@
         <plugin>
           <groupId>org.apache.maven.plugins</groupId>
           <artifactId>maven-assembly-plugin</artifactId>
-          <version>3.0.0</version>
+          <version>3.1.0</version>
         </plugin>
 
         <plugin>
@@ -791,12 +791,12 @@
         <plugin>
           <groupId>org.apache.maven.plugins</groupId>
           <artifactId>maven-checkstyle-plugin</artifactId>
-          <version>2.17</version>
+          <version>3.0.0</version>
           <dependencies>
             <dependency>
               <groupId>com.puppycrawl.tools</groupId>
               <artifactId>checkstyle</artifactId>
-              <version>7.8</version>
+              <version>8.11</version>
             </dependency>
             <dependency>
               <groupId>org.apache.directory.buildtools</groupId>
@@ -812,26 +812,26 @@
         <plugin>
           <groupId>org.apache.maven.plugins</groupId>
           <artifactId>maven-clean-plugin</artifactId>
-          <version>3.0.0</version>
+          <version>3.1.0</version>
         </plugin>
 
         <plugin>
           <groupId>org.apache.maven.plugins</groupId>
           <artifactId>maven-compiler-plugin</artifactId>
-          <version>3.6.1</version>
+          <version>3.7.0</version>
           <configuration>
             <source>1.7</source>
             <target>1.7</target>
             <optimize>true</optimize>
             <showDeprecations>true</showDeprecations>
-            <encoding>ISO-8859-1</encoding>
+            <encoding>UTF-8</encoding>
           </configuration>
         </plugin>
 
         <plugin>
           <groupId>org.apache.maven.plugins</groupId>
           <artifactId>maven-dependency-plugin</artifactId>
-          <version>3.0.1</version>
+          <version>3.1.1</version>
         </plugin>
 
         <plugin>
@@ -850,7 +850,7 @@
         <plugin>
           <groupId>org.apache.maven.plugins</groupId>
           <artifactId>maven-ear-plugin</artifactId>
-          <version>2.10.1</version>
+          <version>3.0.1</version>
         </plugin>
 
         <plugin>
@@ -867,7 +867,7 @@
         <plugin>
           <groupId>org.apache.maven.plugins</groupId>
           <artifactId>maven-ejb-plugin</artifactId>
-          <version>2.5.1</version>
+          <version>3.0.1</version>
         </plugin>
 
         <plugin>
@@ -891,13 +891,13 @@
         <plugin>
           <groupId>org.apache.maven.plugins</groupId>
           <artifactId>maven-jar-plugin</artifactId>
-          <version>3.0.2</version>
+          <version>3.1.0</version>
         </plugin>
 
         <plugin>
           <groupId>org.apache.maven.plugins</groupId>
           <artifactId>maven-javadoc-plugin</artifactId>
-          <version>2.10.4</version>
+          <version>3.0.1</version>
         </plugin>
 
         <plugin>
@@ -909,19 +909,19 @@
         <plugin>
           <groupId>org.apache.maven.plugins</groupId>
           <artifactId>maven-plugin-plugin</artifactId>
-          <version>3.5</version>
+          <version>3.5.2</version>
         </plugin>
 
         <plugin>
           <groupId>org.apache.maven.plugins</groupId>
           <artifactId>maven-pmd-plugin</artifactId>
-          <version>3.8</version>
+          <version>3.10.0</version>
         </plugin>
 
         <plugin>
           <groupId>org.apache.maven.plugins</groupId>
           <artifactId>maven-project-info-reports-plugin</artifactId>
-          <version>2.9</version>
+          <version>3.0.0</version>
         </plugin>
 
         <plugin>
@@ -942,25 +942,25 @@
         <plugin>
           <groupId>org.apache.maven.plugins</groupId>
           <artifactId>maven-resources-plugin</artifactId>
-          <version>3.0.2</version>
+          <version>3.1.0</version>
         </plugin>
 
         <plugin>
           <groupId>org.apache.maven.plugins</groupId>
           <artifactId>maven-scm-plugin</artifactId>
-          <version>1.9.5</version>
+          <version>1.10.0</version>
         </plugin>
 
         <plugin>
           <groupId>org.apache.maven.plugins</groupId>
           <artifactId>maven-shade-plugin</artifactId>
-          <version>2.4.3</version>
+          <version>3.1.1</version>
         </plugin>
 
         <plugin>
           <groupId>org.apache.maven.plugins</groupId>
           <artifactId>maven-site-plugin</artifactId>
-          <version>3.6</version>
+          <version>3.7.1</version>
         </plugin>
 
         <plugin>
@@ -978,7 +978,7 @@
         <plugin>
           <groupId>org.apache.maven.plugins</groupId>
           <artifactId>maven-surefire-plugin</artifactId>
-          <version>2.19.1</version>
+          <version>2.22.0</version>
           <configuration>
             <argLine>-Xmx1024m</argLine>
           </configuration>
@@ -987,20 +987,21 @@
         <plugin>
           <groupId>org.apache.maven.plugins</groupId>
           <artifactId>maven-surefire-report-plugin</artifactId>
-          <version>2.19.1</version>
+          <version>2.22.0</version>
         </plugin>
 
         <plugin>
           <groupId>org.apache.maven.plugins</groupId>
           <artifactId>maven-war-plugin</artifactId>
-          <version>3.1.0</version>
+          <version>3.2.2</version>
         </plugin>
 
         <!-- Don't use 2.5.4: https://issues.apache.org/jira/browse/FELIX-4882 -->
         <plugin>
           <groupId>org.apache.felix</groupId>
           <artifactId>maven-bundle-plugin</artifactId>
-          <version>3.3.0</version>
+          <!--version>3.3.0</version-->
+          <version>3.5.1</version>
         </plugin>
 
         <plugin>
@@ -1026,7 +1027,7 @@
         <plugin>
           <groupId>org.apache.xbean</groupId>
           <artifactId>maven-xbean-plugin</artifactId>
-          <version>4.5</version>
+          <version>4.9</version>
         </plugin>
 
         <plugin>
@@ -1062,7 +1063,7 @@
         <plugin>
           <groupId>org.codehaus.mojo</groupId>
           <artifactId>findbugs-maven-plugin</artifactId>
-          <version>3.0.4</version>
+          <version>3.0.5</version>
           <configuration>
             <xmlOutput>false</xmlOutput>
             <!--
@@ -1117,7 +1118,7 @@
         <plugin>
           <groupId>org.codehaus.mojo</groupId>
           <artifactId>versions-maven-plugin</artifactId>
-          <version>2.3</version>
+          <version>2.5</version>
         </plugin>
   
         <plugin>