prompt user if virtualenv is already installed

remove configs for vm and tmux
remove server option
update node LTS version and nvm version

bump subl version number
add arp-scan to packages

 Changes to be committed:
	modified:   README.md

 Changes to be committed:
	modified:   README.md

 Changes to be committed:
	modified:   README.md

 Changes to be committed:
	modified:   README.md

 Changes to be committed:
	modified:   README.md

 Changes to be committed:
	modified:   README.md

 Changes to be committed:
	modified:   README.md

 Changes to be committed:
	modified:   README.md

 Changes to be committed:
	modified:   README.md

 Changes to be committed:
	modified:   README.md

 Changes to be committed:
	modified:   README.md

 Changes to be committed:
	modified:   README.md

 Changes to be committed:
	modified:   README.md

now includes gedit and vim config

 Changes to be committed:
	modified:   README.md

 Changes to be committed:
	modified:   README.md

 Changes to be committed:
	modified:   README.md

move vars into run so users don't have to modify vars.sh manually
remove $USER_NAME and use $HOME instead for simplicity in paths
comment out creation of new users

 Changes to be committed:
	modified:   README.md
	modified:   includes/base.lib
	modified:   includes/git.lib
	modified:   includes/software.lib
	modified:   run.sh
	modified:   scripts/aliases.sh
	modified:   scripts/linux_update.sh
	modified:   scripts/ssh_key.sh
	modified:   scripts/terminal_config.sh
	new file:   scripts/wordpress_dev.sh
	deleted:    vars.sh

 On branch master

 Changes to be committed:
	modified:   README.md

 On branch master

 Changes to be committed:
	modified:   README.md

 On branch master

 Changes to be committed:
	modified:   README.md

 On branch master

 Changes to be committed:
	modified:   README.md
	modified:   includes/base.lib
	modified:   includes/software.lib
	modified:   run.sh
	modified:   scripts/linux_update.sh
        modified:   scripts/ssh_key.sh
	modified:   scripts/terminal_config.sh
	modified:   vars.sh

 On branch master
 Your branch is up-to-date with 'origin/master'.

 Changes to be committed:
	modified:   README.md

also remove server options

 On branch master
 Your branch is up-to-date with 'origin/master'.

 Changes to be committed:
	modified:   LICENSE
	modified:   README.md
	new file:   includes/base.lib
	new file:   includes/git.lib
	new file:   includes/software.lib
	new file:   run.sh
	new file:   scripts/aliases.sh
	new file:   scripts/git_config.sh
	new file:   scripts/linux_update.sh
	new file:   scripts/ssh_key.sh
	new file:   scripts/terminal_config.sh
	new file:   sudoers.sh
	new file:   vars.sh