Start a console with Ashikawa::Core loaded via rake console

http://erniemiller.org/2014/02/05/7-lines-every-gems-rakefile-should-have

But using Pry instead of IRB
Organized Rakefile
Update Dependency: inch

This means we don't need this extra `require` any longer
Add Reek to the CI task
Guard is working again: Run bundler and rspec