Update supported Ubuntu versions [skip ci]

raphink · raphink · commit 31e34f87f6a5 · 2016-07-13T13:54:32.000+02:00
diff --git a/metadata.json b/metadata.json
@@ -27,16 +27,12 @@
     {
       "operatingsystem": "Ubuntu",
       "operatingsystemrelease": [
-        "10.04",
-        "10.10",
-        "11.04",
-        "11.10",
         "12.04",
         "12.10",
-        "13.04",
-        "13.10",
         "14.04",
-        "14.10"
+        "14.10",
+        "15.10",
+        "16.04"
       ]
     },
     {
