Merge pull request #242 from ChadBHowell/CBH---pihole-system-user-v2

Add user pihole if user does not exsist

automated install/basic-install.sh

@@ -543,6 +543,16 @@ runGravity() {
 	/usr/local/bin/gravity.sh
 }
 
+setUser(){
+	# Check if user pihole exists and create if not
+	echo "::: Checking if user 'pihole' exists..."
+	if id -u pihole > /dev/null 2>&1; then
+		echo "::: User 'pihole' already exists"
+	else
+        echo "::: User 'pihole' doesn't exist.  Creating..."
+		$SUDO useradd -r -s /usr/sbin/nologin pihole
+	fi
+}
 
 installPihole() {
 	# Install base files and web interface
@@ -551,7 +561,7 @@ installPihole() {
 	$SUDO mkdir -p /etc/pihole/
 	$SUDO chown www-data:www-data /var/www/html
 	$SUDO chmod 775 /var/www/html
-	$SUDO usermod -a -G www-data pi
+	$SUDO usermod -a -G www-data pihole
 	$SUDO lighty-enable-mod fastcgi fastcgi-php > /dev/null
 
 	getGitFiles