update busybox for extend head option for test suite
remove seq -f option as it is not supported buy busybox
Signed-off-by: Armin Kuster <akuster808@gmail.com>
License is now LGPL
sources come from github now
dropped patches since alt solutions included now.
Changes in the 2.2.0 release include:
* Migrated the build system to autotools
* Added support for the aarch64 architecture
* Added support for the mips, mips64, and mips64n32 architectures
* Added support for the new seccomp() syscall and thread sync
* Added Python bindings
* Updated the internal syscall tables to Linux v3.19
Signed-off-by: Armin Kuster <akuster808@gmail.com>