Insure running as root. added comment

added comment to ubuntu installer so people know to wait.

install.sh

@@ -1,3 +1,7 @@
+# ensure running as root
+if [ "$(id -u)" != "0" ]; then
+  exec sudo "$0" "$@"
+fi
 wget https://raw.githubusercontent.com/merid14/snipe-it/develop/snipeit.sh
 chmod 744 snipeit.sh
 sudo ./snipeit.sh 2>&1 | sudo tee -a /var/log/snipeit-install.log

snipeit.sh

@@ -141,7 +141,7 @@ case $distro in
 
 		#Update/upgrade Debian/Ubuntu repositories, get the latest version of git.
 		echo ""
-		echo "##  Updating ubuntu"
+		echo "##  Updating ubuntu in the background. Please be patient."
 		echo ""
 		apachefile=/etc/apache2/sites-available/$name.conf
 		sudo apt-get update >> /var/log/snipeit-install.log 2>&1