Be stricter when parsing the configuration file
Be stricter when parsing the configuration file

Throw an error message if there is a line that contains an invalid
configuration line (e.g. a non-empty line that neither contains a key
nor a value).

Signed-off-by: Lukas Fleischer <af90e31281d8305af43dc616c5aaca3c7165f8a7@cryptocrack.de>

lfos/calcurse,lfos/calcurse,dunecn/calcurse,lfos/calcurse,dunecn/calcurse