updated ci

build.gradle

@@ -23,6 +23,7 @@ buildscript {
 }
 
 apply plugin: "catkin"
+apply plugin: "maven-publish"
 
 allprojects {
   group 'org.ros.rosjava_core'
@@ -46,8 +47,6 @@ subprojects {
     apply plugin: "osgi"
     apply plugin: "idea"
     apply plugin: "eclipse"
-    apply plugin: "maven-publish"
-
   }
 }