Update to Apache AsterixDB 0.9.8 and Hyracks 0.3.8

Change-Id:If17ec8dad1de435c9a0cceef4daa7ee1ebc3e5a3
Reviewed-on: https://asterix-gerrit.ics.uci.edu/c/incubator-asterixdb-site/+/16343
Reviewed-by: Ian Maxon <imaxon@uci.edu>
diff --git a/docs/0.9.8/css/site.css b/docs/0.9.8/css/site.css
new file mode 100644
index 0000000..055e7e2
--- /dev/null
+++ b/docs/0.9.8/css/site.css
@@ -0,0 +1 @@
+/* You can override this file with your own styles */
\ No newline at end of file