Use `cl-lib'.

Signed-off-by: Rüdiger Sonderfeld <ruediger@c-plusplus.de>
Update Copyright.

Signed-off-by: Rüdiger Sonderfeld <ruediger@c-plusplus.de>
Add missing customization types.

Signed-off-by: Rüdiger Sonderfeld <ruediger@c-plusplus.de>
Makefile: Fix README.html export.

Signed-off-by: Rüdiger Sonderfeld <ruediger@c-plusplus.de>
Use weather-metno-pkg.el.in.

This should allow MELPA to extract dependencies and other package
information while not duplicating the effort in `weather-metno.el'.

Signed-off-by: Rüdiger Sonderfeld <ruediger@c-plusplus.de>
Fix error in Makefile.

Set PACKAGE_CONTENT after SOURCES is defined.

Signed-off-by: Rüdiger Sonderfeld <ruediger@c-plusplus.de>
Change from ~ to -- convention for internal symbols.

This is more common and even recommended in the recent elisp manual.

Signed-off-by: Rüdiger Sonderfeld <ruediger@c-plusplus.de>
Function `weather-metno-kill-forecast-buffer' is not internal.

If it's bound to a key and accessible through the menu it should not be
considered internal.

Signed-off-by: Rüdiger Sonderfeld <ruediger@c-plusplus.de>
Fix typo.

Signed-off-by: Rüdiger Sonderfeld <ruediger@c-plusplus.de>