Update selenium-webdriver

Gemfile.lock

@@ -135,7 +135,7 @@ GEM
       i18n (~> 0.6)
       multi_json (~> 1.0)
     acts_as_list (0.1.4)
-    addressable (2.3.2)
+    addressable (2.3.3)
     andand (1.3.3)
     ansi (1.4.2)
     arel (3.0.2)
@@ -160,8 +160,8 @@ GEM
       rack-test (>= 0.5.4)
       selenium-webdriver (~> 2.0)
       xpath (~> 1.0.0)
-    childprocess (0.3.6)
-      ffi (~> 1.0, >= 1.0.6)
+    childprocess (0.3.9)
+      ffi (~> 1.0, >= 1.0.11)
     chunky_png (1.2.7)
     climate_control (0.0.3)
       activesupport (>= 3.0)
@@ -216,7 +216,7 @@ GEM
     faker (1.0.1)
       i18n (~> 0.4)
     ffaker (1.12.1)
-    ffi (1.3.1)
+    ffi (1.4.0)
     fssm (0.2.10)
     haml (3.1.6)
     highline (1.6.11)
@@ -240,9 +240,6 @@ GEM
     letter_opener (1.0.0)
       launchy (>= 2.0.4)
     libv8 (3.3.10.4)
-    libwebsocket (0.1.7.1)
-      addressable
-      websocket
     mail (2.4.4)
       i18n (>= 0.4.0)
       mime-types (~> 1.16)
@@ -335,11 +332,11 @@ GEM
     select2-rails (3.3.0)
       sass-rails (~> 3.2)
       thor (~> 0.14)
-    selenium-webdriver (2.27.2)
+    selenium-webdriver (2.31.0)
       childprocess (>= 0.2.5)
-      libwebsocket (~> 0.1.3)
       multi_json (~> 1.0)
       rubyzip
+      websocket (~> 1.0.4)
     shoulda-matchers (1.1.0)
       activesupport (>= 3.0.0)
     slop (3.3.3)
@@ -376,7 +373,7 @@ GEM
       railties (>= 3.0)
     warden (1.2.1)
       rack (>= 1.0)
-    websocket (1.0.6)
+    websocket (1.0.7)
     xpath (1.0.0)
       nokogiri (~> 1.3)