Use IN operator like arel for empty hash in where clause
Merge pull request #9232 from robertomiranda/where-with-empty-hash

Use IN operator like Arel for empty hash in where clause
Update activerecord/CHANGELOG.md
Added notice message for destroy method in scaffold
Merge pull request #9233 from rahul100885/master

Added notice message for destroy method in scaffold
the `:controller` option for routes can contain numbers. closes #9231.
Merge pull request #9234 from senny/9231_no_numbers_in_route_namespaces_allowed

The `:controller` option for routes can contain numbers. closes #9231.
Prefer Ruby 2.0; require 1.9.3+
added compress options for gzip

added test for compress options of gzip

update changelog
Merge pull request #7730 from beyond/gzip

added compress options for gzip
Update to latest Unicode data.

Release notes at: http://www.unicode.org/versions/Unicode6.2.0/
Remove method redefined warning

In `i18n` gem, the method definition of  `Hash#deep_merge!` is skipped
when it is already defined.

- warning: method redefined; discarding old deep_merge!
Merge pull request #8643 from tricknotes/remove-method-redefined-warning

Remove method redefined warning
Merge pull request #9238 from norman/unicode_62

Update to latest Unicode data.