* Rename IgnoredPatterns to AllowedPatterns.
* Exclude docopt.rb (not our code) from Rubocop
* Disable Style/RedundantReturn
* Disable Style/MutableConstant
* Disable Style/NumericLiterals
* Set Layout/IndentationStyle to spaces
* Temporarily disable various cops.
* Add Rubocop CI via Octocop
* Lint tree with rubocop -A -c .rubocop.yml
Co-authored-by: Satadru Pramanik <satadru@gmail.com>
* replace lzma with current xz-utils
* add po4a build dep to xzutils
* Add xzutils, pixz
* is_fake doesn't need source_url
* add pixz tpxz format support to crew
* Add xzutils to pixz deps
* Add pixz if not installed.
* change pixz logic
* pixz changes
* xzutils is a runtime dep for pixz
* grammar fix
* remove pixz warning