Update bundle

Gemfile.lock

@@ -86,7 +86,7 @@ GEM
     bootstrap-will_paginate (1.0.0)
       will_paginate
     builder (3.2.4)
-    bunny (2.14.3)
+    bunny (2.14.4)
       amq-protocol (~> 2.3, >= 2.3.0)
     byebug (11.1.1)
     capybara (3.31.0)
@@ -139,7 +139,7 @@ GEM
     forgery (0.7.0)
     globalid (0.4.2)
       activesupport (>= 4.2.0)
-    hashdiff (1.0.0)
+    hashdiff (1.0.1)
     headless (2.3.1)
     highline (2.0.3)
     http-accept (1.7.0)
@@ -152,8 +152,8 @@ GEM
     image_processing (1.10.3)
       mini_magick (>= 4.9.5, < 5)
       ruby-vips (>= 2.0.17, < 3)
-    ims-lti (1.2.2)
-      builder
+    ims-lti (1.2.4)
+      builder (>= 1.0, < 4.0)
       oauth (>= 0.4.5, < 0.6)
     jaro_winkler (1.5.4)
     jbuilder (2.10.0)
@@ -204,7 +204,7 @@ GEM
     nyan-cat-formatter (0.12.0)
       rspec (>= 2.99, >= 2.14.2, < 4)
     oauth (0.5.4)
-    oauth2 (1.4.3)
+    oauth2 (1.4.4)
       faraday (>= 0.8, < 2.0)
       jwt (>= 1.0, < 3.0)
       multi_json (~> 1.3)
@@ -213,7 +213,7 @@ GEM
     pagedown-bootstrap-rails (2.1.4)
       railties (> 3.1)
     parallel (1.19.1)
-    parser (2.7.0.3)
+    parser (2.7.0.4)
       ast (~> 2.4.0)
     path_expander (1.1.0)
     pg (1.2.2)
@@ -283,7 +283,7 @@ GEM
     rb-fsevent (0.10.3)
     rb-inotify (0.10.1)
       ffi (~> 1.0)
-    regexp_parser (1.6.0)
+    regexp_parser (1.7.0)
     rest-client (2.1.0)
       http-accept (>= 1.7.0, < 2.0)
       http-cookie (>= 1.0.2, < 2.0)
@@ -353,7 +353,7 @@ GEM
     simplecov (0.18.5)
       docile (~> 1.1)
       simplecov-html (~> 0.11)
-    simplecov-html (0.12.1)
+    simplecov-html (0.12.2)
     slim (4.0.1)
       temple (>= 0.7.6, < 0.9)
       tilt (>= 2.0.6, < 2.1)
@@ -408,7 +408,7 @@ GEM
     websocket-extensions (0.1.4)
     whenever (1.0.0)
       chronic (>= 0.6.3)
-    will_paginate (3.2.1)
+    will_paginate (3.3.0)
     xpath (3.2.0)
       nokogiri (~> 1.8)