Added some URLs

Author: upperboundcom

README.md

@@ -6,9 +6,9 @@ http://upperbound.com/projects/drinkbot/
 
 There are a few other dependencies:
 
-* MongoDB (for data storage)
-* picotts (for text-to-speech synthesis)
-* mpg123 (for playing MP3 audio files)
+* [MongoDB](http://mongodb.com) (for data storage)
+* [pico2wave](http://my-small-projects.blogspot.com/2016/01/raspberry-pi-text-to-speech-pico2wave.html) (for text-to-speech synthesis)
+* [mpg123](https://www.mpg123.de/) (for playing MP3 audio files)
 
 ## To start the application
 
@@ -17,7 +17,7 @@ Change to the folder where you downloaded the files.
 Start the backend:
 
 ```
-$ node backend.js &
+$ sudo node backend.js &
 ```
 
 Start the web front-end:
@@ -27,7 +27,23 @@ $ cd frontend
 $ node server.js &
 ```
 
-If you want to start it at boot, you can add this to your crontab (your paths may be different):
+If you want to start it at boot, you can do the following:
+1. Install [forever](https://github.com/foreverjs/forever):
+
+```
+$ sudo npm install -g forever
+```
+
+
+2. Add this to your crontab (your paths may be different):
+
+Run:
+
+```
+$ crontab -e
+```
+
+and then add:
 
 ```
 @reboot export NODE_PATH=/usr/lib/nodejs:/usr/lib/node_modules:/usr/share/javascript && sudo -E /usr/bin/forever start -o /home/pi/projects/nodeapps/drinkbot/backend.log -e /home/pi/projects/nodeapps/drinkbot/backend.err /home/pi/projects/nodeapps/drinkbot/backend.js