YAGNI concurrent-ruby master branch now that 1.0.0.pre3 is released w…

…ith fixes for warnings and circular require

Gemfile.lock

@@ -97,12 +97,6 @@ GIT
     turbolinks (3.0.0)
       coffee-rails
 
-GIT
-  remote: git://github.com/ruby-concurrency/concurrent-ruby.git
-  revision: 10ceb96c146d2937b66e7a444445e5ab9edbeb7c
-  specs:
-    concurrent-ruby (1.0.0.pre3)
-
 GIT
   remote: git://github.com/sass/sass.git
   revision: 4ef8e3167985ace91b2105916756bd93c5d7bba6
@@ -192,6 +186,7 @@ GEM
       coffee-script-source
       execjs
     coffee-script-source (1.9.1.1)
+    concurrent-ruby (1.0.0.pre3)
     connection_pool (2.2.0)
     dalli (2.7.4)
     dante (0.2.0)
@@ -320,7 +315,6 @@ DEPENDENCIES
   benchmark-ips
   byebug
   coffee-rails (~> 4.1.0)
-  concurrent-ruby (~> 1.0.0.pre3)!
   dalli (>= 2.2.1)
   delayed_job
   delayed_job_active_record