Fix invokables to make sure script pointers are setup before invoking function calls.  Reduce app startup time up to 1s.
diff --git a/rsContext.cpp b/rsContext.cpp
index cc11ab2..0ac8320 100644
--- a/rsContext.cpp
+++ b/rsContext.cpp
@@ -317,7 +317,7 @@
     }
 
     while(!mRunning) {
-        sleep(1);
+        usleep(100);
     }
 
     pthread_attr_destroy(&threadAttr);