Random minor tidying

Change-Id: Ia9bb44a6ac02aec3d5991a1d3a9a003a344b6947
Reviewed-on: http://gerrit.dmdirc.com/3919
Reviewed-by: Greg Holmes <greg@dmdirc.com>
Automatic-Compile: DMDirc Build Manager

build.gradle

 // DMDirc plugins build script
-//
-// Run with -PdmdircOutput=/path/to/DMDirc/classes/
 
 import org.mdonoughe.JGitDescribeTask
 

dcc/test/com/dmdirc/addons/dcc/IpToLongTest.java

 @RunWith(Parameterized.class)
 public class IpToLongTest {
     
-    private String stringip;
-    private long longip;
+    private final String stringip;
+    private final long longip;
 
-    public IpToLongTest(String stringip, Long longip) {
+    public IpToLongTest(final String stringip, final Long longip) {
         this.stringip = stringip;
         this.longip = longip;
     }