Converted all package.html files to package-info.java for easier package documentation.
diff --git a/utils/rest/src/main/java/org/onlab/rest/package-info.java b/utils/rest/src/main/java/org/onlab/rest/package-info.java
new file mode 100644
index 0000000..978a25c
--- /dev/null
+++ b/utils/rest/src/main/java/org/onlab/rest/package-info.java
@@ -0,0 +1,4 @@
+/**
+ * Facilities for building JAX-RS web resources.
+ */
+package org.onlab.rest;