This reverts commit 940aad22.

Reason : The server does not start

This reverts commit 913bb2f4.

Reason : The server does not start

Adds support for def self.setup in isolation tests for setup that should be run only once in the parent

Signed-off-by: NYehuda Katz + Carl Lerche <ykatz+clerche@engineyard.com>

Fixed ActiveSupport::OrderedHash::[] work identically to ::Hash::[] in ruby 1.8.7 [#2832 state:resolved]
Signed-off-by: NYehuda Katz + Carl Lerche <ykatz+clerche@engineyard.com>

Signed-off-by: NYehuda Katz + Carl Lerche <ykatz+clerche@engineyard.com>

Signed-off-by: NYehuda Katz + Carl Lerche <ykatz+clerche@engineyard.com>

make #inspect if zero length duration return '0 seconds' instead of empty string [#2838 state:resolved]
Signed-off-by: NYehuda Katz + Carl Lerche <ykatz+clerche@engineyard.com>

Adds a video_tag helper for the HTML5 video tag (similar to how the image_tag works) (tests included); removes a duplicate test line for image_tag; adds boolean attributes for video tag to tag()'s boolean attributes
Signed-off-by: NYehuda Katz + Carl Lerche <ykatz+clerche@engineyard.com>

Signed-off-by: NYehuda Katz + Carl Lerche <ykatz+clerche@engineyard.com>

Put migration methods into a separate folder and let just ActiveRecord dependency in ActiveRecord models.