Screenshots with Webkit2PNG, basic slideshow with dust.js

Screenshots generated with webkit2png and cherio. Removed use of jsdom. Updated UI for inclusion of screenshots
Removed sample prsentation
promises and tests for parsers
add tests for no-id
Slideshows with dust work better
Upload with thumbnail generation
New job queue for screenshots
Account information is editable on settings page
Logout works
Bug fixes for slides controll screen
Start work on upload - make questions associative array
Thumbnaild in controllpanel work
Don't opens new windows as ios webapp
work on upload.js
Presenters view
work on questions
add multiple questions
Upload now creates a parsed file with the questions
Prettify upload code
Add comments
Small bugfixes
Small bugfixes
add teacher templates
make live and admin serve urls