Robotframework-robocop

This release brings 4 new rules:
- I10101 ``unused-keyword`` community rule
- W1018 ``first-argument-in-new-line`` rule
- W0927 ``test-case-section-out-of-orde``
- W0928 ``keyword-section-out-of-order``

Rule I0912 ``empty-variable`` was also adjusted to allow to configure whether variables in *** Variables *** section or VAR variables should be detected.

Thanks to szymonslodkowski for contributing 3 new rules.

Release notes at [release notes](https://github.com/MarketSquare/robotframework-robocop/blob/master/docs/releasenotes/5.3.0.rst).

This release brings three new rules for order of the imports.
Big thanks for szymonslodkowski contribution with the new rules.

Release notes at [release notes](https://github.com/MarketSquare/robotframework-robocop/blob/master/docs/releasenotes/5.2.0.rst).

Release notes at [release notes](https://github.com/MarketSquare/robotframework-robocop/blob/master/docs/releasenotes/5.1.0.rst).

Release notes at [release notes](https://github.com/MarketSquare/robotframework-robocop/blob/master/docs/releasenotes/5.0.4.rst).

Fixed W0204 ``missing-doc-resource-file`` not raised if the file contained ``*** Settings ***`` section (1046).

Read more in [full release notes](https://github.com/MarketSquare/robotframework-robocop/blob/master/docs/releasenotes/5.0.3.rst).

Fix for 0920 unused-variable not recognizing variables from *** Variables *** section used in *** Settings *** and keyword arguments default values (1049).

Read more in [full release notes](https://github.com/MarketSquare/robotframework-robocop/blob/master/docs/releasenotes/5.0.2.rst).