Prepare for 4.2.0.beta4 release

RAILS_VERSION

-4.2.0.beta2
+4.2.0.beta4

actionmailer/lib/action_mailer/gem_version.rb

@@ -8,7 +8,7 @@ module VERSION
     MAJOR = 4
     MINOR = 2
     TINY  = 0
-    PRE   = "beta2"
+    PRE   = "beta4"
 
     STRING = [MAJOR, MINOR, TINY, PRE].compact.join(".")
   end

actionpack/lib/action_pack/gem_version.rb

@@ -8,7 +8,7 @@ module VERSION
     MAJOR = 4
     MINOR = 2
     TINY  = 0
-    PRE   = "beta2"
+    PRE   = "beta4"
 
     STRING = [MAJOR, MINOR, TINY, PRE].compact.join(".")
   end

actionview/lib/action_view/gem_version.rb

@@ -8,7 +8,7 @@ module VERSION
     MAJOR = 4
     MINOR = 2
     TINY  = 0
-    PRE   = "beta2"
+    PRE   = "beta4"
 
     STRING = [MAJOR, MINOR, TINY, PRE].compact.join(".")
   end

activejob/lib/active_job/gem_version.rb

@@ -8,7 +8,7 @@ module VERSION
     MAJOR = 4
     MINOR = 2
     TINY  = 0
-    PRE   = "beta2"
+    PRE   = "beta4"
 
     STRING = [MAJOR, MINOR, TINY, PRE].compact.join(".")
   end

activemodel/lib/active_model/gem_version.rb

@@ -8,7 +8,7 @@ module VERSION
     MAJOR = 4
     MINOR = 2
     TINY  = 0
-    PRE   = "beta2"
+    PRE   = "beta4"
 
     STRING = [MAJOR, MINOR, TINY, PRE].compact.join(".")
   end

activerecord/lib/active_record/gem_version.rb

@@ -8,7 +8,7 @@ module VERSION
     MAJOR = 4
     MINOR = 2
     TINY  = 0
-    PRE   = "beta2"
+    PRE   = "beta4"
 
     STRING = [MAJOR, MINOR, TINY, PRE].compact.join(".")
   end

activesupport/lib/active_support/gem_version.rb

@@ -8,7 +8,7 @@ module VERSION
     MAJOR = 4
     MINOR = 2
     TINY  = 0
-    PRE   = "beta2"
+    PRE   = "beta4"
 
     STRING = [MAJOR, MINOR, TINY, PRE].compact.join(".")
   end

railties/lib/rails/gem_version.rb

@@ -8,7 +8,7 @@ module VERSION
     MAJOR = 4
     MINOR = 2
     TINY  = 0
-    PRE   = "beta2"
+    PRE   = "beta4"
 
     STRING = [MAJOR, MINOR, TINY, PRE].compact.join(".")
   end

version.rb

@@ -8,7 +8,7 @@ module VERSION
     MAJOR = 4
     MINOR = 2
     TINY  = 0
-    PRE   = "beta2"
+    PRE   = "beta4"
 
     STRING = [MAJOR, MINOR, TINY, PRE].compact.join(".")
   end