Log Message:
misc/ruby-powerbar: update to 2.0.1

Fix various warnings of pkglint.

2.0.0 (2018-04-13)

* Fix terminal_width to work properly on windows
* Drop support for ruby < 1.9.3 at request of package maintainer
* Restrict column width off by 1 to just windows

2.0.1 (2018-04-13)

* Set required ruby version to > 1.9.3