motion: bump to version 4.1

motion: bump to version 4.1

- Remove 0001-configure.ac-use-given-CFLAGS-LIBS-for-mysqlclient-l.patch,
it does not have been sent upstream but issue has been fixed by
https://github.com/Motion-Project/motion/commit/3b7164f7f9c2b123f850f8cd1bc0a860ca51c0fe#diff-67e997bcfdac55191033d57a16d1408a
- 0002-Rename-base64_encode.patch has been integrated into this version
- --without-jpeg-turbo has been deleted from configure.ac
- libsdl dependency has been removed

Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>