updated build.gradle

git-svn-id: svn://svn.code.sf.net/p/rodin-b-sharp/svn/trunk/Handbook@14673 1434b563-b632-4741-aa49-43a3a8374d2e

org.rodinp.handbook.releng/build.gradle

@@ -27,9 +27,15 @@ task importPlugin << {
 	}
 }
 
+task deleteOldArtifacts(type: Delete) {
+  	String updateSite = workspacePath+'updatesite'
+	delete updateSite
+}
+
 task collectArtifacts(type:Copy) {
-	    from '../'+groupID+'.repository/target/repository/'
-	    into '../updatesite'
+	    from groupID+'.repository/target/repository/'
+	    into 'updatesite'
 	    from "index.html"
-	    into '../updatesite'
+	    into 'updatesite'
 }
+