Merge pull request #119 from Gh0u1L5/development

Issues with apt-get and relative scipts.
Changes (See Description)

Integrated Gh0u1L5’s chnages
fixed errors with ‘if [ ${DEBUG} == 0 ]’ and ‘if [ $LOCALGIT == 1 ]’
integrated d_clear
Change layout of argument system slightly
Updated arguments

Created help menu
case-insensitive arguments
switch back to development branch
Changes (See Description)

better way to delete contents of rootfs directory
fixed code for debug mode
script errors out if:
1: No build type is specified
2: No device is specified, but kernel build type is specified

safe-apt-get outputs to terminal window as well.
New nethuntermenu.sh

Makes it easier to build NetHunter packages by implementing a menu that
interacts with nethunterbuild.sh
Merge branch 'development' of https://github.com/offensive-security/kali-nethunter into development

Dec.4th Update