Converted all package.html files to package-info.java for easier package documentation.
diff --git a/providers/of/link/src/main/java/org/onlab/onos/provider/of/link/impl/package-info.java b/providers/of/link/src/main/java/org/onlab/onos/provider/of/link/impl/package-info.java
new file mode 100644
index 0000000..1b853ab
--- /dev/null
+++ b/providers/of/link/src/main/java/org/onlab/onos/provider/of/link/impl/package-info.java
@@ -0,0 +1,4 @@
+/**
+ * Provider that uses OpenFlow controller as a means of infrastructure link inference.
+ */
+package org.onlab.onos.provider.of.link.impl;