Add install script

Update filenames and paths for clean install
Rename sys-oled.py to sys-oled
Update README file with setup and usage instructions

install.sh

@@ -0,0 +1,28 @@
+#!/bin/sh
+# Install script for sys-oled
+
+INSTALL_PATH="/usr/local/"
+SYSTEMD_PATH="/etc/systemd/"
+DEPS="python-dev python-pip python-setuptools python-psutil libfreetype6-dev libjpeg-dev build-essential"
+
+if [ "$(id -u)" != "0" ]; then
+    echo "This script must be run as root!"
+    exit 1
+fi
+
+echo "Installing Dependencies"
+apt-get update
+apt-get install -y $DEPS
+
+echo "Installing luma.oled library"
+pip install --upgrade luma.oled
+
+echo "Installing sys-oled files"
+cp -frv bin "$INSTALL_PATH"
+cp -frv etc  "$INSTALL_PATH"
+cp -frv share "$INSTALL_PATH"
+cp -frv system "$SYSTEMD_PATH"
+
+echo "Enabling sys-oled at statup"
+systemctl daemon-reload
+systemctl enable sys-oled.service