Set version to 1.1.2 in package.json

I have decided that the Alerts API is not stable yet and will likely
change. As such I have gone back to a 1.1.x version number; we will go
to 1.2.0 when we have a stable API change.

package.json

@@ -1,6 +1,6 @@
 {
   "name": "acs-directory",
-  "version": "1.2.0",
+  "version": "1.1.2",
   "description": "The Directory component of the AMRC Connectivity Stack",
   "author": "AMRC",
   "license": "MIT",