Changes (See Description)

Moved updater scripts to separate files
Edited kernel build scripts for readability
Major editing and re-arranging of nethunterbuild.sh
    New method to detect host machine
    Changed variables
    Made it easier to change build directory
    Condensed roots build sequence to one function
Reorganized a lot of the code to make more sense
Remove samsung devices removed from nethuntermenu.sh
Moved configuration script parts to their own files in
$basedir/utils/config