warning fix on configure.ac and bug fix

Signed-off-by: Diogo C. Luvizon <diogo@luvizon.com>
added pnmio and error from original klt

Signed-off-by: Diogo C. Luvizon <diogo@luvizon.com>
added all files from original klt

Signed-off-by: Diogo C. Luvizon <diogo@luvizon.com>
testing the original klt

Signed-off-by: Diogo C. Luvizon <diogo@luvizon.com>
finding and marking the best feature on each frame

Signed-off-by: Diogo C. Luvizon <diogo@luvizon.com>
Merge branch 'copy-klt'

Signed-off-by: Diogo C. Luvizon <diogo@luvizon.com>