`\language` switching wherenever available.

quality of the class and to fully decouple the logic from the backend.

file within the documentation. This section contains the definition of
all supported class options.

This resolves the following warning:

  LaTeX Warning: You have requested package
  `fithesis/style/mu/fithesis-fsps', but the package provides
  `fithesis/style/mu/fithesis-fss'.

OSX - mkdir problem, closes #2

- The `implode` Makefile pseudo-target now removes leftovers from tests.
- The non-existent `rebase` Makefile pseudo-target has been removed from
  the `.PHONY` Makefile pseudo-target prerequisites.

preserves the characters outside ASCII.

`\def\thesis@locale{...}`, which also switches hyphenation patterns. The
macro definitions inside locale files are now global to account for the
fact that it now makes sense to include locale files on-site (and
therefore possibly inside a group) using the `\thesis@selectLocale`.

the version of the package, when it's being typeset.