Alphabetize plugins

pom.xml

@@ -40,6 +40,17 @@
 
   <build>
     <plugins>
+      <plugin>
+        <groupId>org.apache.maven.plugins</groupId>
+        <artifactId>maven-checkstyle-plugin</artifactId>
+        <version>2.12.1</version>
+        <configuration>
+          <configLocation>src/main/resources/checkstyle.xml</configLocation>
+          <headerLocation>src/main/resources/copyright_header.txt</headerLocation>
+          <includeTestSourceDirectory>true</includeTestSourceDirectory>
+          <violationSeverity>warning</violationSeverity>
+        </configuration>
+      </plugin>
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-compiler-plugin</artifactId>
@@ -99,6 +110,18 @@
           </execution>
         </executions>
       </plugin>
+      <plugin>
+        <groupId>org.apache.maven.plugins</groupId>
+        <artifactId>maven-surefire-plugin</artifactId>
+        <version>2.15</version>
+        <configuration>
+          <parallel>classes</parallel>
+          <threadCount>1</threadCount>
+          <argLine>-Xmx256m</argLine>
+          <redirectTestOutputToFile>true</redirectTestOutputToFile>
+          <forkedProcessTimeoutInSeconds>300</forkedProcessTimeoutInSeconds>
+        </configuration>
+      </plugin>
       <plugin>
         <groupId>org.skife.maven</groupId>
         <artifactId>really-executable-jar-maven-plugin</artifactId>
@@ -115,29 +138,6 @@
           </execution>
         </executions>
       </plugin>
-      <plugin>
-        <groupId>org.apache.maven.plugins</groupId>
-        <artifactId>maven-surefire-plugin</artifactId>
-        <version>2.15</version>
-        <configuration>
-          <parallel>classes</parallel>
-          <threadCount>1</threadCount>
-          <argLine>-Xmx256m</argLine>
-          <redirectTestOutputToFile>true</redirectTestOutputToFile>
-          <forkedProcessTimeoutInSeconds>300</forkedProcessTimeoutInSeconds>
-        </configuration>
-      </plugin>
-      <plugin>
-        <groupId>org.apache.maven.plugins</groupId>
-        <artifactId>maven-checkstyle-plugin</artifactId>
-        <version>2.12.1</version>
-        <configuration>
-          <configLocation>src/main/resources/checkstyle.xml</configLocation>
-          <headerLocation>src/main/resources/copyright_header.txt</headerLocation>
-          <includeTestSourceDirectory>true</includeTestSourceDirectory>
-          <violationSeverity>warning</violationSeverity>
-        </configuration>
-      </plugin>
     </plugins>
   </build>