Adds Eclipse support.

.gitignore

 .gradle
 build
+bin
 .classpath
 .project
 .settings

.project

-<?xml version="1.0" encoding="UTF-8"?>
-<projectDescription>
-	<name>rosjava_core</name>
-	<comment></comment>
-	<projects>
-	</projects>
-	<buildSpec>
-		<buildCommand>
-			<name>org.eclipse.jdt.core.javabuilder</name>
-			<arguments>
-			</arguments>
-		</buildCommand>
-	</buildSpec>
-	<natures>
-		<nature>org.eclipse.jdt.core.javanature</nature>
-	</natures>
-</projectDescription>

build.gradle

@@ -46,6 +46,7 @@ allprojects {
 subprojects {
   if (name != 'docs') {
     apply plugin: 'ros-java'
+    apply plugin: 'eclipse'
   }
 }