Make it so AR attributes which conflict with object-private methods (e.g. system) don't 'randomly' cause NoMethodErrors

Previously if you called this attribute before others, you'd get exceptions.  But if it was the second-or-subsequent attribute you retrieved you'd get the correct behaviour.
Signed-off-by: NMichael Koziarski <michael@koziarski.com>
[#2808 state:committed]

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

Ruby 1.9 style String interpolation support for lower ruby versions. Thanks to code from Masao Mutoh's GetText gem. [#2870 state:resolved]
Signed-off-by: NYehuda Katz <wycats@yehuda-katzs-macbookpro41.local>

Add support for dumping non-standard primary keys when using the SQLite3 adapter. Fix unit tests so that this feature is tested for all adapters. [#2868 state:resolved]
Signed-off-by: NYehuda Katz <wycats@yehuda-katzs-macbookpro41.local>

Adds a audio_tag helper for the HTML5 audio tag. Fixed video_path docs. HTML attributes values should be true or false not attribute's name. [#2864 state:resolved]
Signed-off-by: NYehuda Katz <wycats@yehuda-katzs-macbookpro41.local>

  Reapplies: a4bdc00f
             3c1dab72

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>

Patch FormTagHelper so that when a form tag is created, the div which holds the form authenticity token is set to display:inline [#2846 state:resolved]
Signed-off-by: NYehuda Katz + Carl Lerche <ykatz+clerche@engineyard.com>

Fixes bug where Memcached connections get corrupted when an invalid expire is passed in [#2854 state:resolved]