Modify config_linux_enviornment.sh

Modify config_linux_enviornment.sh to allow the user to option to
delete existing dot files.

Modify config_linux_enviornment.sh to use sudo when installing node
was not properly installing without it.
Merge branch 'master' of https://github.com/JarrodCTaylor/dotfiles

Fast forward to merge an update to the README.md made on github