bump year

Signed-off-by: Mattias Andrée <maandree@operamail.com>
improve makefile and add more warnings

Signed-off-by: Mattias Andrée <maandree@operamail.com>
fix warnings + update gitignore

Signed-off-by: Mattias Andrée <maandree@operamail.com>
fix warnings

Signed-off-by: Mattias Andrée <maandree@operamail.com>