Deployment improvements

Replace deploy.sh with deploy.py
Some updates to setup scripts, for more consistency
Split out some common unix setup tasks into a script that both mac and
linux scripts call.

setup_linux.sh

@@ -63,21 +63,17 @@ gsettings set org.gnome.desktop.input-sources xkb-options "['ctrl:nocaps']"
 # Use local time so as to not conflict with Windows
 timedatectl set-local-rtc 1 --adjust-system-clock
 
+# Change default shell
+sudo chsh -ls /usr/bin/fish $USER
+
 # SSH setup
 ssh-keygen -t rsa -f $HOME/.ssh/id_rsa -q -P ""
 
-echo "Please add this key to GitHub, then press ENTER to continue."
+echo "Your SSH public key is:"
 echo ""
-cat $HOME/.ssh/id_rsa.pub
+cat ~/.ssh/id_rsa.pub
 echo ""
-read
+read -p "Please add it to GitHub, then press enter to continue."
 
-git clone git@github.com:tim-mccarthy/dotfiles.git .dotfiles
-pushd .dotfiles
-./deploy.sh
-popd
-
-sudo chsh -ls /usr/bin/fish $USER
-
-git clone https://github.com/hlissner/doom-emacs ~/.emacs.d
-~/.emacs.d/bin/doom install
+git clone git@github.com:tim-mccarthy/dotfiles.git $HOME/.dotfiles
+bash ~/.dotfiles/setup_unix_common.sh