mininit: initial commit of v. 1.1.0

See https://github.com/pcercuei/mininit

Signed-off-by: Andrea Adami <andrea.adami@gmail.com>
initramfs-mininit-klibc-image: initial commit

This cpio does the job of finding and loop-mounting the rootfs file.
See https://github.com/pcercuei/mininit

Signed-off-by: Andrea Adami <andrea.adami@gmail.com>
linux-gcw0-kexecboot_3.12: initial commit

Notes:
 - strangely on mips /init seems not allowed to be a symlink
 - kernel doesn't boot using kexec_2.0.2 klibc-static but maybe
   it is a kernel and not userspace issue. Plan is to update to
   kexec-tools_2.0.6 as soon as possible and retest.

Signed-off-by: Andrea Adami <andrea.adami@gmail.com>