bump sidekiq to 2.17.7

Gemfile

@@ -22,7 +22,7 @@ gem 'galetahub-simple_captcha', '0.1.5', :require => 'simple_captcha'
 
 # Background processing
 
-gem 'sidekiq', '2.17.2'
+gem 'sidekiq', '2.17.7'
 gem 'sinatra', '1.3.3'
 
 # Configuration

Gemfile.lock

@@ -86,7 +86,7 @@ GEM
       compass (>= 0.12.2)
       sprockets (<= 2.11.0)
     configurate (0.0.8)
-    connection_pool (1.2.0)
+    connection_pool (2.0.0)
     crack (0.4.1)
       safe_yaml (~> 0.9.0)
     cucumber (1.3.15)
@@ -362,9 +362,9 @@ GEM
     rdoc (3.12.2)
       json (~> 1.4)
     redcarpet (3.1.2)
-    redis (3.0.6)
-    redis-namespace (1.4.1)
-      redis (~> 3.0.4)
+    redis (3.1.0)
+    redis-namespace (1.5.1)
+      redis (~> 3.0, >= 3.0.4)
     remotipart (1.2.1)
     roxml (3.1.6)
       activesupport (>= 2.3.0)
@@ -400,7 +400,7 @@ GEM
       multi_json (~> 1.0)
       rubyzip (~> 1.0)
       websocket (~> 1.0.4)
-    sidekiq (2.17.2)
+    sidekiq (2.17.7)
       celluloid (>= 0.15.2)
       connection_pool (>= 1.0.0)
       json
@@ -538,7 +538,7 @@ DEPENDENCIES
   ruby-oembed (= 0.8.9)
   sass-rails (= 3.2.6)
   selenium-webdriver (= 2.42.0)
-  sidekiq (= 2.17.2)
+  sidekiq (= 2.17.7)
   sinatra (= 1.3.3)
   sinon-rails (= 1.9.0)
   spork (= 1.0.0rc4)