Fix tag helpers so that all HTML element boolean attributes render according to the specs. Added all boolean attributes listed in the XHTML 1.0 specs (http://www.w3.org/TR/xhtml1/guidelines.html) and HTML 5 specs (http://www.whatwg.org/specs/web-apps/current-work). HTML 5 boolean attribute rendering was broken in commit 1e2d7229 / [#2864 state:resolved].
Signed-off-by: NYehuda Katz <wycats@gmail.com>

Revert "Methods invoked within named scope Procs should respect the scope stack. [#1267 state:resolved]"

This reverts commit 6a133765.

Conflicts:

	activerecord/test/cases/named_scope_test.rb

Signed-off-by: NYehuda Katz <wycats@gmail.com>

Signed-off-by: NYehuda Katz <wycats@gmail.com>

Signed-off-by: NYehuda Katz <wycats@gmail.com>

Signed-off-by: NYehuda Katz <wycats@gmail.com>

Signed-off-by: NYehuda Katz <wycats@gmail.com>

Signed-off-by: NYehuda Katz <wycats@gmail.com>

Signed-off-by: NYehuda Katz <wycats@gmail.com>

Signed-off-by: NYehuda Katz <wycats@gmail.com>

Refactor Responder to only calculate available mime types. Those are sent to the controller that knows what to do with it (render a block or call default render).
Signed-off-by: NYehuda Katz <wycats@gmail.com>

Signed-off-by: NJoshua Peek <josh@joshpeek.com>

Dasherize XML root by default to avoid invalid tags "<admin/posts>...</admin/posts>" [#2875 state:resolved]

Patch to ActiveModel's (and ActiveRecord, by association) XML serialization: If two parameters are present in Procs supplied to to_xml's :procs option, the model being serialized will be passed as the second argument [#2373 state:resolved]
Signed-off-by: NJoshua Peek <josh@joshpeek.com>

Signed-off-by: NYehuda Katz <wycats@gmail.com>

Ruby 1.9.2 compat: Use File#expand_path for require path because "." will not be included in LOAD_PATH since Ruby 1.9.2 [#2921 state:resolved]
Signed-off-by: NYehuda Katz <wycats@gmail.com>