Upgraded 7 gems

Gemfile.lock

@@ -85,7 +85,7 @@ GEM
     coffee-script-source (1.10.0)
     concurrent-ruby (1.0.0)
     crack (0.3.1)
-    cucumber (2.3.0)
+    cucumber (2.3.1)
       builder (>= 2.1.2)
       cucumber-core (~> 1.4.0)
       cucumber-wire (~> 0.0.1)
@@ -107,7 +107,7 @@ GEM
       http_parser.rb (~> 0.6.0)
     erubis (2.7.0)
     event-bus (0.1.0)
-    eventmachine (1.0.8)
+    eventmachine (1.0.9.1)
     execjs (2.6.0)
     fastercsv (1.5.5)
     ffi (1.9.10)
@@ -171,9 +171,9 @@ GEM
     lumberjack (1.0.10)
     mail (2.6.3)
       mime-types (>= 1.16, < 3)
-    mailcatcher (0.6.2)
+    mailcatcher (0.6.3)
       activesupport (>= 4.0.0, < 5)
-      eventmachine (= 1.0.8)
+      eventmachine (= 1.0.9.1)
       mail (~> 2.3)
       sinatra (~> 1.2)
       skinny (~> 0.2.3)
@@ -187,7 +187,7 @@ GEM
     multi_test (0.1.2)
     mysql2 (0.4.2)
     nenv (0.2.0)
-    nokogiri (1.6.7.1)
+    nokogiri (1.6.7.2)
       mini_portile2 (~> 2.0.0.rc2)
     notiffany (0.0.8)
       nenv (~> 0.1)
@@ -283,9 +283,9 @@ GEM
       rack (~> 1.4)
       rack-protection (~> 1.4)
       tilt (>= 1.3, < 3)
-    skinny (0.2.3)
+    skinny (0.2.4)
       eventmachine (~> 1.0.0)
-      thin (~> 1.5.0)
+      thin (>= 1.5, < 1.7)
     slim (3.0.6)
       temple (~> 0.7.3)
       tilt (>= 1.3.3, < 2.1)