Bump the Version constants to align with the *next* release rather than the previous release.

This allows people tracking non-release gems or git submodules to use the constants.

actionmailer/lib/action_mailer/version.rb

@@ -2,7 +2,7 @@ module ActionMailer
   module VERSION #:nodoc:
     MAJOR = 2
     MINOR = 0
-    TINY  = 4
+    TINY  = 5
 
     STRING = [MAJOR, MINOR, TINY].join('.')
   end

actionpack/lib/action_pack/version.rb

@@ -2,7 +2,7 @@ module ActionPack #:nodoc:
   module VERSION #:nodoc:
     MAJOR = 2
     MINOR = 0
-    TINY  = 4
+    TINY  = 5
 
     STRING = [MAJOR, MINOR, TINY].join('.')
   end

activerecord/lib/active_record/version.rb

@@ -2,7 +2,7 @@ module ActiveRecord
   module VERSION #:nodoc:
     MAJOR = 2
     MINOR = 0
-    TINY  = 4
+    TINY  = 5
 
     STRING = [MAJOR, MINOR, TINY].join('.')
   end

activeresource/lib/active_resource/version.rb

@@ -2,7 +2,7 @@ module ActiveResource
   module VERSION #:nodoc:
     MAJOR = 2
     MINOR = 0
-    TINY  = 4
+    TINY  = 5
 
     STRING = [MAJOR, MINOR, TINY].join('.')
   end

activesupport/lib/active_support/version.rb

@@ -2,7 +2,7 @@ module ActiveSupport
   module VERSION #:nodoc:
     MAJOR = 2
     MINOR = 0
-    TINY  = 4
+    TINY  = 5
 
     STRING = [MAJOR, MINOR, TINY].join('.')
   end

railties/lib/rails/version.rb

@@ -2,7 +2,7 @@ module Rails
   module VERSION #:nodoc:
     MAJOR = 2
     MINOR = 0
-    TINY  = 4
+    TINY  = 5
 
     STRING = [MAJOR, MINOR, TINY].join('.')
   end