Bump Clojure to 1.7. Bump a few other deps

src/metabase/models/table.clj

 (ns metabase.models.table
-  (:require [korma.core :refer :all, :exclude [defentity]]
+  (:require [korma.core :refer :all, :exclude [defentity update]]
             [metabase.db :refer :all]
             (metabase.models [common :as common]
                              [database :as db]

src/metabase/models/user.clj

 (ns metabase.models.user
   (:require [cemerick.friend.credentials :as creds]
-            [korma.core :refer :all, :exclude [defentity]]
+            [korma.core :refer :all, :exclude [defentity update]]
             [metabase.db :refer :all]
             [metabase.email.messages :as email]
             [metabase.models.interface :refer :all]