Update gems

Gemfile.lock

@@ -12,22 +12,22 @@ GEM
       coderay (>= 1.0.0)
       erubis (>= 2.6.6)
       rack (>= 0.9.0)
-    browser (2.0.3)
+    browser (2.1.0)
     coderay (1.1.1)
     coffee-script (2.4.1)
       coffee-script-source
       execjs
     coffee-script-source (1.10.0)
-    concurrent-ruby (1.0.1)
+    concurrent-ruby (1.0.2)
     daemons (1.2.3)
     erubis (2.7.0)
-    ethon (0.8.1)
+    ethon (0.9.0)
       ffi (>= 1.3.0)
     eventmachine (1.2.0.1)
     execjs (2.6.0)
     ffi (1.9.10)
     highline (1.7.8)
-    html-pipeline (2.4.0)
+    html-pipeline (2.4.1)
       activesupport (>= 2, < 5)
       nokogiri (>= 1.4)
     i18n (0.7.0)
@@ -35,7 +35,7 @@ GEM
     method_source (0.8.2)
     mini_portile2 (2.0.0)
     minitest (5.8.4)
-    multi_json (1.11.2)
+    multi_json (1.12.0)
     nokogiri (1.6.7.2)
       mini_portile2 (~> 2.0.0.rc2)
     options (2.3.2)
@@ -77,15 +77,15 @@ GEM
       rack (~> 1.0)
     thor (0.19.1)
     thread_safe (0.3.5)
-    tilt (2.0.2)
+    tilt (2.0.3)
     tty-pager (0.4.0)
       tty-screen (~> 0.5.0)
       tty-which (~> 0.1.0)
       verse (~> 0.4.0)
     tty-screen (0.5.0)
     tty-which (0.1.0)
-    typhoeus (1.0.1)
-      ethon (>= 0.8.0)
+    typhoeus (1.0.2)
+      ethon (>= 0.9.0)
     tzinfo (1.2.2)
       thread_safe (~> 0.1)
     uglifier (3.0.0)