update VMOD entry for VSLP

R1/source/vmods/vmod_vslp.json

 {
-    "date": "YYYY-MM-DD",
+    "date": "2016-04-21",
     "desc": "VSLP (StateLess Persistence) - consistent hashing Director VMOD",
     "license": "FreeBSD",
     "name": "vslp",
     "repos": "https://code.uplex.de/uplex-varnish/libvmod-vslp",
     "rev": {
-        "4.1": {
-            "url_vcc": "https://code.uplex.de/uplex-varnish/libvmod-vslp/blobs/raw/master/src/vmod_vslp.vcc"
+        "4.0": {
+            "url_vcc": "https://code.uplex.de/uplex-varnish/libvmod-vslp/blobs/4.0/src/vmod_vslp.vcc"
         }
     },
     "status": "mature",
+    "maintainer":"varnish-support@uplex.de",
     "support": [
         "Uplex"
     ]
-}
\ No newline at end of file
+}