Revert "Switch from pacaur to yaourt, again"

This reverts commit 88c191665c.

scripts/install-pacaur

@@ -0,0 +1,25 @@
+if [[ $EUID -eq 0 ]]; then
+    echo "You cannot run makepkg as root."
+    echo "Please run this script again as a non-elevated user"
+    exit 1
+fi
+
+# Install dependencies
+sudo pacman -S --asdeps git curl yajl gnupg
+
+mkdir cower && cd cower
+
+# Get PGP keys so it builds
+gpg --recv-keys --keyserver hkp://pgp.mit.edu 1EB2638FF56C0C53
+
+# Fetch, build and install cower
+curl https://aur.archlinux.org/cgit/aur.git/plain/PKGBUILD?h=cower > PKGBUILD 
+makepkg -sri
+
+# Fetch, build and install pacaur
+cd .. && mkdir pacaur && cd pacaur
+curl https://aur.archlinux.org/cgit/aur.git/plain/PKGBUILD?h=pacaur > PKGBUILD 
+makepkg -sri
+
+cd ..
+rm -rf cower pacaur