Creating a new Presentation:

Create a new branch, make a copy of template, and cd there
```
$ cp -a template/ new_pres/
```

git submodule current version of reveal.js

$ git submodule add https://github.com/EiffL/reveal.js.git
$ cd reveal.js
$ git submodule update --init --recursive

copy package.json and gulpfile.js from the reveal.js folder to the talk directory
Update/install npm modules to make sure it works with this version:
```
$ npm install
```
Start the server:
```
$ npm start
```