Add @JvmStatic Intention: Support functions/properties in objects

Also eliminate unnecessary object instance references on Java call sites

 #KT-20095 Fixed

idea/testData/multiFileIntentions/addJvmStaticToObjectFun/after/test/test.kt

@@ -0,0 +1,6 @@
+package test
+
+object O {
+    @JvmStatic
+    fun foo(s: String) {}
+}