Use tidyall to ease tidying files
Created by: ldidry
Follow-up of #438
- Code::TidyAll added as develop requirement in cpanfile
- Add tidyall target to Makefile.am (to run it with the good options without pain)
- Add dot/dot.tidyallrc
- Add t/ and xt/ to perltidy test
+ Tidy up src/ t/ xt/ files