Update Readme.md
Correcting a typo

```
nodejs app.js
```

doesn't work for me, suggest;

```
node app.js
```
Merge pull request #66 from benbull/patch-1

Correcting a typo
add heroku support out of the box

Conflicts:
	app/server.js
	settings.js
Merge pull request #67 from tobobo/heroku_deploy

Add heroku support out of the box
Heroku doesn't understand 'nodejs'
Merge pull request #75 from tlongren/heroku-fix

Heroku doesn't understand 'nodejs'
Make email a unique index

Fixes #77
Add node-unique-validator to user model

Fixes #77
Fix Timezone always using server time

    Moved the generation of the friendly name for time to client-side to use
        client's local timezone.