Implemented the ability to enable and disable options and optgroups in select tags with tests.
Merge branch 'master' into add-disabled-attribute-to-select-options
Provide a way for end users to customise admin generators
Added ability to use custom generator templates
Fixes #1225
Prevent logging of health-check requests at log level over :debug
add failing test
Don't override :session_id setting if it's being set somewhere else when
the admin starts, see: https://github.com/padrino/padrino-framework/issues/500#issuecomment-16836189
Implemented the `create` and `drop` tasks for Sequel using the
DataMapper code as base. As a part of it, I also extracted the methods
into a common file for simplicity.
Make FormHelper#submit_tag to be able to accept arguments without caption.
Make FormBuilder#submit to be able to accept arguments without caption.
Fixed a few typos
FIX: "&" should be escaped to "&amp;"
Some auto-detection for authenticity_token & form_tag

- if the application has protect_from_csrf set to false, do not include authenticity_token
- if :protect_from_csrf => false option is passed to #form_tag, do not include authenticity_token
- defaults to stricter :protect_from_csrf if protection is unknown for safety

Closes #1266
Merge pull request #1320 from Ortuna/csrf_form_tag

Some auto-detection for authenticity_token & form_tag
Merge pull request #1319 from tmtm/fix-escape-ampersand

FIX: "&" should be escaped to "&amp;"
Added some boolean attributes.
Merge pull request #1321 from namusyaka/boolean_attributes

Added some boolean attributes.
Locking down active support to less than 4.0
Merge pull request #1325 from Ortuna/lock-active-support

Locking down active support to less than 4.0