Update CHANGELOGs for 3.2.13 release.
Preparing for 3.2.13.rc1 release
Freeze columns only once per Result

Conflicts:
	activerecord/lib/active_record/result.rb
Revert "Merge pull request #8209 from senny/backport_8176"

This reverts commit 724020278480855bddfe749c91f1074d4f50f3c6, reversing
changes made to e4e2bcce75b85fb8c1c49509a17bd5dfe6034c32.

Conflicts:
	activerecord/CHANGELOG.md
	activerecord/lib/active_record/relation/calculations.rb
	activerecord/test/cases/calculations_test.rb
bumping to rc2
Merge pull request #9616 from exviva/multiple_select_name_double_square_brackets

Fix incorrectly appended square brackets to a multiple select box

Before:

    select(:category, [], {}, {:multiple => true, :name => "post[category][]"})
    # => <select name="post[category][][]" ...>

After:

    select(:category, [], {}, {:multiple => true, :name => "post[category][]"})
    # => <select name="post[category][]" ...>

Conflicts:
	actionpack/CHANGELOG.md
	actionpack/lib/action_view/helpers/tags/base.rb
	actionpack/test/template/form_options_helper_test.rb
stop calling to_sym when building arel nodes [CVE-2013-1854]
fix incorrect ^$ usage leading to XSS in sanitize_css [CVE-2013-1855]
JDOM XXE Protection [CVE-2013-1856]

Conflicts:
	activesupport/test/xml_mini/jdom_engine_test.rb
fix protocol checking in sanitization [CVE-2013-1857]

Conflicts:
	actionpack/lib/action_controller/vendor/html-scanner/html/sanitizer.rb
bumping to 3.2.13
Merge branch '3-2-13' into 3-2-stable

* 3-2-13:
  bumping to 3.2.13
  fix protocol checking in sanitization [CVE-2013-1857]
  JDOM XXE Protection [CVE-2013-1856]
  fix incorrect ^$ usage leading to XSS in sanitize_css [CVE-2013-1855]
  stop calling to_sym when building arel nodes [CVE-2013-1854]
  Merge pull request #9616 from exviva/multiple_select_name_double_square_brackets
  bumping to rc2
  Revert "Merge pull request #8209 from senny/backport_8176"
  Freeze columns only once per Result
  Preparing for 3.2.13.rc1 release
  Update CHANGELOGs for 3.2.13 release.

Conflicts:
	actionmailer/CHANGELOG.md
	actionpack/CHANGELOG.md
	activemodel/CHANGELOG.md
	activeresource/CHANGELOG.md
	activesupport/CHANGELOG.md
	railties/CHANGELOG.md