Removed nonexistent databases 'timelines' and 'states' from publishedData.js
Removed console logs used in testing.
Slides now have defualt content. Content is a string saying which timeline and state the slide belongs to.
Updated readme to match master branch.
Started work on viewing a presentation. Basics of extracting content of a slide laid out.
Modified 'relatedSlide' so it returns the content of the slide instead of the object.
Presentation view now has prev and next buttons that change the state of the presentation.
Present button in presentation.html now links to presentation view.
Presentation view operational, synchronizes what slide everyone is viewing.