Update `--check` Option Logic

The --check option is broken. wget -qO - bit.ly/freetakhub2 | sudo bash -s -- --check The --check option does not do anything useful.

Desired behavior.

The --check-error will enables checking (if check fails the script fails with an error).
A --check-warn option disables checking (if check fails the script produces a warning but proceeds).

There are three check functions present:

check_root : checks to see if the process is being run with root permissions
check_os : checks to see if the current OS is a supported OS version
check_architecture : checks to see if the current hardware-platform is supported

Default settings:

What should the command line option/arguments look like?

ref:

FreeTAKTeam / FreeTAKHub-Installation