Upgrade to rspec 2.14 series from 2.9.
Address rspec-mock-2.14.0's deprecation of #stub! and #mock.
Merge branch 'rspec_2_14' into dependencies_upgrade
Upgrade slop.
Upgrade uglifier (upgrades UglifyJS from 2.3.0 to 2.3.6).
Upgrade cucumber.
Upgrade haml.
Upgrade ref.
Upgrade jquery-rails from 2.0.2 to 2.2.2.

Upgrades jQuery from 1.7.2 to 1.9.1.
Upgrade jquery-rails from 2.2.2 to 3.0.4.

Upgrades jQuery from 1.9.1 to 1.10.2.
Upgrade pdfkit.
Upgrade ffi.
Lock to version of Nokogiri compatible with Ruby 1.8.
Upgrade addressable.
Upgrade net-scp.
Upgrade mysql2.
Upgrade faker to 1.2 series.
Upgrade method_source.
Upgrade database_cleaner to 1.1 series.
Upgrade to delayed_job and delayed_job_active_record 4.0 series.