Switch to MITMf then run setup

https://github.com/offensive-security/kali-nethunter/issues/99

Setup script was running outside of MITMf folder.

Signed-off-by: binkybear <binkybear@nethunter.com>
Bootkali & Killkali = permissive/enforce selinux

We can have bootkali set selinux to permissive and when we are done we can have killkali set to enforcement.

WIthout permissive nothing will work.

Signed-off-by: binkybear <binkybear@nethunter.com>