Bump version to rc1

RAILS_VERSION

-4.0.0.beta1
+4.0.0.rc1

actionmailer/lib/action_mailer/version.rb

 module ActionMailer
   # Returns the version of the currently loaded ActionMailer as a Gem::Version
   def self.version
-    Gem::Version.new "4.0.0.beta1"
+    Gem::Version.new "4.0.0.rc1"
   end
 
   module VERSION #:nodoc:

actionpack/lib/action_pack/version.rb

 module ActionPack
   # Returns the version of the currently loaded ActionPack as a Gem::Version
   def self.version
-    Gem::Version.new "4.0.0.beta1"
+    Gem::Version.new "4.0.0.rc1"
   end
 
   module VERSION #:nodoc:

activemodel/lib/active_model/version.rb

 module ActiveModel
   # Returns the version of the currently loaded ActiveModel as a Gem::Version
   def self.version
-    Gem::Version.new "4.0.0.beta1"
+    Gem::Version.new "4.0.0.rc1"
   end
 
   module VERSION #:nodoc:

activerecord/lib/active_record/version.rb

 module ActiveRecord
   # Returns the version of the currently loaded ActiveRecord as a Gem::Version
   def self.version
-    Gem::Version.new "4.0.0.beta1"
+    Gem::Version.new "4.0.0.rc1"
   end
 
   module VERSION #:nodoc:

activesupport/lib/active_support/version.rb

 module ActiveSupport
   # Returns the version of the currently loaded ActiveSupport as a Gem::Version
   def self.version
-    Gem::Version.new "4.0.0.beta1"
+    Gem::Version.new "4.0.0.rc1"
   end
 
   module VERSION #:nodoc:

railties/lib/rails/version.rb

@@ -3,7 +3,7 @@ module VERSION
     MAJOR = 4
     MINOR = 0
     TINY  = 0
-    PRE   = "beta1"
+    PRE   = "rc1"
 
     STRING = [MAJOR, MINOR, TINY, PRE].compact.join(".")
   end

version.rb

@@ -3,7 +3,7 @@ module VERSION
     MAJOR = 4
     MINOR = 0
     TINY  = 0
-    PRE   = "beta1"
+    PRE   = "rc1"
 
     STRING = [MAJOR, MINOR, TINY, PRE].compact.join(".")
   end