Add explicit provides for perl modules (needed for OBS).

Signed-off-by: Oleg Girko <oleg.girko@jolla.com>
Explicitly require MD5 and TimeDate Perl modules in Fedora.

Signed-off-by: Oleg Girko <oleg.girko@jolla.com>
Several fixes for better Fedora support.

- Add explicit provides for perl modules (needed for OBS).
- Explicitly require MD5 and TimeDate Perl modules in Fedora.
- Add patch to fix permissions of dev files in buildsystem.

Signed-off-by: Oleg Girko <oleg.girko@jolla.com>