Signed-off-by: NWincent Colaiuta <win@wincent.com>

This resolves issues for libraries which use '_' prefixed keys in their
attributes hash, such as Mongoid. A key like "_id" or "_type" will no
longer be converted to "<-id>" and "<-type>".
Signed-off-by: Nwycats <wycats@gmail.com>

[#5170 state:resolved]
Signed-off-by: NJosé Valim <jose.valim@gmail.com>

They're deprecated since 2008. It's time to get rid of them.
Signed-off-by: NJosé Valim <jose.valim@gmail.com>

Signed-off-by: NJosé Valim <jose.valim@gmail.com>

Signed-off-by: NJosé Valim <jose.valim@gmail.com>

Signed-off-by: NWincent Colaiuta <win@wincent.com>

Signed-off-by: NJosé Valim <jose.valim@gmail.com>

Signed-off-by: NJosé Valim <jose.valim@gmail.com>

Fix a bug where requires inside of autoloads were being added to the autoloaded_constants list, causing mayhem. [#5165 state:resolved]

Gemfile now makes use of platforms calls with blocks instead of elsif logic to define dependencies over specific platforms

Signed-off-by: NJosé Valim <jose.valim@gmail.com>

Signed-off-by: NJosé Valim <jose.valim@gmail.com>

Add assertion to link_to_function test with block and capture, and more expressive test name [#5179 state:resolved]
Signed-off-by: NJosé Valim <jose.valim@gmail.com>

application generation: --skip-testunit and --skip-activerecord renamed to --skip-test-unit and --skip-active-record respectively

Reason is their proper spellings are "Test::Unit" and "Active Record".
Option names and descriptions have been revised, as well as some method
names and minor details here and there.