updated bundle

Gemfile.lock

@@ -141,11 +141,10 @@ GEM
     highline (1.7.0)
     hike (1.2.3)
     i18n (0.7.0)
-    ims-lti (1.1.7)
+    ims-lti (1.1.8)
       builder
       oauth (~> 0.4.5)
-      uuid
-    jbuilder (2.2.7)
+    jbuilder (2.2.8)
       activesupport (>= 3.0.0, < 5)
       multi_json (~> 1.2)
     jdbc-postgres (9.4.1200)
@@ -162,8 +161,6 @@ GEM
     kramdown (1.5.0)
     loofah (2.0.1)
       nokogiri (>= 1.5.9)
-    macaddr (1.7.1)
-      systemu (~> 2.6.2)
     mail (2.6.3)
       mime-types (>= 1.16, < 3)
     method_source (0.8.2)
@@ -328,7 +325,6 @@ GEM
       net-scp (>= 1.1.2)
       net-ssh (>= 2.8.0)
     structured_warnings (0.2.0)
-    systemu (2.6.4)
     temple (0.7.5)
     thor (0.19.1)
     thread_safe (0.3.4)
@@ -341,8 +337,6 @@ GEM
     uglifier (2.7.0)
       execjs (>= 0.3.0)
       json (>= 1.8.0)
-    uuid (2.3.7)
-      macaddr (~> 1.0)
     web-console (2.0.0)
       activemodel (~> 4.0)
       binding_of_caller (>= 0.7.2)