Add release date of Rails 3.2.9 to documentation

Conflicts:
	actionpack/CHANGELOG.md
	activerecord/CHANGELOG.md
	activesupport/CHANGELOG.md

actionmailer/CHANGELOG.md

@@ -1,4 +1,4 @@
-## Rails 3.2.9 (unreleased) ##
+## Rails 3.2.9 (Nov 12, 2012) ##
 
 * Do not render views when mail() isn't called.
   Fix #7761

actionpack/CHANGELOG.md

@@ -1,4 +1,4 @@
-## Rails 3.2.9 (unreleased) ##
+## Rails 3.2.9 (Nov 12, 2012) ##
 
 *   Clear url helpers when reloading routes.
 

activemodel/CHANGELOG.md

@@ -1,4 +1,4 @@
-## Rails 3.2.9 (unreleased)
+## Rails 3.2.9 (Nov 12, 2012) ##
 
 *   Due to a change in builder, nil values and empty strings now generates
     closed tags, so instead of this:

activerecord/CHANGELOG.md

@@ -1,4 +1,4 @@
-## Rails 3.2.9 (unreleased)
+## Rails 3.2.9 (Nov 12, 2012) ##
 
 *   Fix issue with collection associations calling first(n)/last(n) and attempting
     to set the inverse association when `:inverse_of` was used. Fixes #8087.

activeresource/CHANGELOG.md

@@ -1,4 +1,4 @@
-## Rails 3.2.9 (unreleased) ##
+## Rails 3.2.9 (Nov 12, 2012) ##
 
 *   No changes.
 

activesupport/CHANGELOG.md

@@ -1,4 +1,4 @@
-## Rails 3.2.9 (unreleased)
+## Rails 3.2.9 (Nov 12, 2012) ##
 
 *   Add logger.push_tags and .pop_tags to complement logger.tagged:
 

railties/CHANGELOG.md

@@ -1,4 +1,4 @@
-## Rails 3.2.9 (unreleased)
+## Rails 3.2.9 (Nov 12, 2012) ##
 
 *   Update supported ruby versions error message in ruby_version_check.rb *Lihan Li*