Upgraded 6 gems by rebuilding Gemfile.lock file

Gemfile.lock

@@ -70,14 +70,14 @@ GEM
       execjs
     coffee-script-source (1.9.1.1)
     crack (0.3.1)
-    cucumber (2.0.0)
+    cucumber (2.0.1)
       builder (>= 2.1.2)
-      cucumber-core (~> 1.1.3)
+      cucumber-core (~> 1.2.0)
       diff-lcs (>= 1.1.3)
       gherkin (~> 2.12)
       multi_json (>= 1.7.5, < 2.0)
       multi_test (>= 0.1.2)
-    cucumber-core (1.1.3)
+    cucumber-core (1.2.0)
       gherkin (~> 2.12.0)
     daemons (1.2.3)
     database_cleaner (1.4.1)
@@ -142,7 +142,7 @@ GEM
     launchy (2.4.3)
       addressable (~> 2.3)
     libv8 (3.16.14.11)
-    listen (3.0.1)
+    listen (3.0.2)
       rb-fsevent (>= 0.9.3)
       rb-inotify (>= 0.9)
     lumberjack (1.0.9)
@@ -206,7 +206,7 @@ GEM
     rb-fsevent (0.9.5)
     rb-inotify (0.9.5)
       ffi (>= 0.5.0)
-    ref (1.0.5)
+    ref (2.0.0)
     rspec (2.14.1)
       rspec-core (~> 2.14.0)
       rspec-expectations (~> 2.14.0)
@@ -228,7 +228,7 @@ GEM
       sexp_processor (~> 4.0)
     ruby_parser (3.7.0)
       sexp_processor (~> 4.1)
-    sass (3.4.15)
+    sass (3.4.16)
     sass-rails (5.0.3)
       railties (>= 4.0.0, < 5.0)
       sass (~> 3.1)
@@ -283,7 +283,7 @@ GEM
       kgio (~> 2.6)
       rack
       raindrops (~> 0.7)
-    websocket-driver (0.5.4)
+    websocket-driver (0.6.0)
       websocket-extensions (>= 0.1.0)
     websocket-extensions (0.1.2)
     xpath (2.0.0)