Upgraded [poltergeist, ruby_dep, bundler] gems

Gemfile.lock

@@ -179,7 +179,7 @@ GEM
     notiffany (0.1.1)
       nenv (~> 0.1)
       shellany (~> 0.0)
-    poltergeist (1.10.0)
+    poltergeist (1.11.0)
       capybara (~> 2.1)
       cliver (~> 0.3.1)
       websocket-driver (>= 0.2.0)
@@ -252,7 +252,7 @@ GEM
       rspec-mocks (~> 3.5.0)
       rspec-support (~> 3.5.0)
     rspec-support (3.5.0)
-    ruby_dep (1.4.0)
+    ruby_dep (1.5.0)
     sass (3.4.22)
     sass-rails (5.0.6)
       railties (>= 4.0.0, < 6)
@@ -361,4 +361,4 @@ RUBY VERSION
    ruby 2.3.1p112
 
 BUNDLED WITH
-   1.13.2
+   1.13.3