Removed duplicated condition and unused variable
DRY using String#empty?
Merge pull request #576 from simsalabim/remove-redundant-condition

Removed duplicated condition and unused variable
Filter file that contains non-utf-8 char for simplecov
Unify simplecov setup
Add coveralls support
SimpleCov requires jruby to be in --debug mode
Add to exisiting JRUBY_OPTS
Add coveralls badge.

closes #582
Merge pull request #578 from simsalabim/dry-comment-class

Dry Ast::Comment class
WireLanguage cleanup
Self yield in Cli::Main#configuration
Mark stdin as unused interface variable
Remove early raise-checks in favor of default args values
Suppress simplecov warnings on Travis CI for jruby test suite
Merge pull request #593 from simsalabim/cli-main-and-wire-language-refactoring

Cli::Main and WireLanguage refactoring
Delete old AST classes

These classes, if you're wondering, have now moved into the
`cucumber-ruby-core` gem.

Closes #590
Delete misleading old file
Wait on the process being killed
This step passes!

Fix #565