Support Database Comment for Rails 5
Added with_comment options

Do not check if an index includes another column if the name is a String, instead of an Array. (#442)

* Do not check if an index includes another column if the name is a String, instead of an Array.

* Fix Rubocop test conditions.

* --active-admin replaced as a flag.
closes #363.

* Implemented routes in markdown, closes #178

* Fixed some offenses
* Added test.

Fixed some offenses

* Added new gems.

* Fixed Posgresql index tables with `public`.

Added indexes test.

Added test not crash getting indexes.

* Updated rake and rubocop.

* add(annotate_models_spec): test coverage
* change(annotate_models#get_foreign_key_info): elide auto-generated fk names

Closes #404.

* Provide :hide_default_column_types option to make hiding of default configurable

* Use `NO_DEFAULT_COL_TYPES` as default when the `hide_default_column_types` option is not provided

* add option to exclude STI subclasses from annotation

Reduced the Cyclomatic complexity.
#330 By default didn't annotate activeadmin models.
This close #330

Added coveralls and code climate gems.

Added Simplecov.

Previously, quoting an array fell back to `inspect`, which is ok for
strings, but not good for BigDecimals, for instance.

This reverts commit 067ce522.