Log Message:
Update to 4.8. From the changelog:

- updated astyle lib to version 3.4.6
- moved old yaml.lang to yaml-ansible.lang and added a new yaml
  definition (#235)
- omit size property in BBCode output if `--fragment` is set (#234)
- allowed font size unit with `--font-size` for HTML and ODT
  output (#145)
- GUI: updated JP translation (#144)