Minor: update rhino to 1.7.6

.idea/libraries/js_test_libs.xml

@@ -4,11 +4,13 @@
       <root url="file://$PROJECT_DIR$/annotations" />
     </ANNOTATIONS>
     <CLASSES>
-      <root url="jar://$PROJECT_DIR$/js/js.tests/testLib/rhino-1.7R4.jar!/" />
+      <root url="jar://$PROJECT_DIR$/js/js.tests/testLib/rhino1.7.6.jar!/" />
     </CLASSES>
-    <JAVADOC />
+    <JAVADOC>
+      <root url="jar://$PROJECT_DIR$/js/js.tests/testLib/rhino1.7.6-sources.zip!/rhino1.7.6/javadoc" />
+    </JAVADOC>
     <SOURCES>
-      <root url="jar://$PROJECT_DIR$/js/js.tests/testLib/src/rhino-1.7R4-sources.jar!/" />
+      <root url="jar://$PROJECT_DIR$/js/js.tests/testLib/rhino1.7.6-sources.zip!/rhino1.7.6/src" />
     </SOURCES>
   </library>
 </component>

js/js.tests/testLib/src/closure-compiler_mod.txt

@@ -1,14 +0,0 @@
-1) Deleted package com.google.javascript.jscomp.ant to avoid dependency on ant.jar. 
-2) jarjar-ed it:
-    <target name="jarjarClosureCompiler">
-        <taskdef name="jarjar" classname="com.tonicsystems.jarjar.JarJarTask" classpath="${basedir}/dependencies/jarjar.jar"/>
-
-        <delete file="${output}/closure-compiler.jar" failonerror="false"/>
-        <jarjar jarfile="${output}/closure-compiler.jar">
-            <zipgroupfileset dir="${basedir}" includes="closure-compiler.jar" />
-
-            <rule pattern="com.google.common.**" result="closurecompiler.internal.com.google.common.@1"/>
-            <rule pattern="com.google.protobuf.**" result="closurecompiler.internal.com.google.protobuf.@1"/>
-            <rule pattern="org.mozilla.classfile.**" result="closurecompiler.internal.org.mozilla.classfile.@1"/>
-        </jarjar>
-    </target>