Use my fork instead of an thrid-party fork

This will avoid the branch being deleted by mistake making all builds to
fail.

Gemfile

@@ -62,7 +62,7 @@ group :job do
   gem "sidekiq", require: false
   gem "sucker_punch", require: false
   gem "delayed_job", require: false
-  gem "queue_classic", github: "Kjarrigan/queue_classic", branch: "update-pg", require: false, platforms: :ruby
+  gem "queue_classic", github: "rafaelfranca/queue_classic", branch: "update-pg", require: false, platforms: :ruby
   gem "sneakers", require: false
   gem "que", require: false
   gem "backburner", require: false

Gemfile.lock

@@ -1,11 +1,3 @@
-GIT
-  remote: https://github.com/Kjarrigan/queue_classic.git
-  revision: dee64b361355d56700ad7aa3b151bf653a617526
-  branch: update-pg
-  specs:
-    queue_classic (3.2.0.RC1)
-      pg (>= 0.17, < 2.0)
-
 GIT
   remote: https://github.com/matthewd/rb-inotify.git
   revision: 856730aad4b285969e8dd621e44808a7c5af4242
@@ -23,6 +15,14 @@ GIT
       event_emitter
       websocket
 
+GIT
+  remote: https://github.com/rafaelfranca/queue_classic.git
+  revision: dee64b361355d56700ad7aa3b151bf653a617526
+  branch: update-pg
+  specs:
+    queue_classic (3.2.0.RC1)
+      pg (>= 0.17, < 2.0)
+
 GIT
   remote: https://github.com/robin850/sdoc.git
   revision: 0e340352f3ab2f196c8a8743f83c2ee286e4f71c