fix bug on uploading edited vCards

Signed-off-by: Lehner Florian <dev@der-flo.net>
free more used bytes

Signed-off-by: Lehner Florian <dev@der-flo.net>
add lines about license to source files

Signed-off-by: Lehner Florian <dev@der-flo.net>
rename binary to fit naming conventions

Signed-off-by: Lehner Florian <dev@der-flo.net>