Only upgrade bash and not the whole system

Running `apt-get upgrade` or `pacman -S` might cause a bunch of problems in packages which are completely unrelated to this bug. If you're going to give general advice, you should probably make the commands as specific as possible.
Don't install bash if not installed
remove pacman -u option
Updated loops to download and apply up to latest patch
updated css class alert-warning to use a shade of orange
Merge pull request #8 from itsadok/patch-1

Only upgrade bash and not the whole system
Merge pull request #14 from mhensler/master

Updated loops to download and apply up to latest patch
Merge pull request #15 from betesh/master

not using sudo when logged in as root
corrected URL