Make revealJS screen reader friendly by announcing the contents of each slide presented
Change innerHTML to textContent to avoid video replays inside status Div, for not text content is enough
Fix small misspelling: Mardown -> Markdown
Merge pull request #883 from seanfisk/fix-small-misspelling

fix small misspelling: Mardown -> Markdown
clicking on notes timer now resets it #779
reduce max-height of images in pdfs
limit size of media elements when printing to pdf
update server side notes to match client side plugin
ensure default can be prevented
sync server-side speaker notes after notes window opens
createSingletonNode now ensures found nodes are in the correct container
fix edge case in singleton node creation
Small typo
Broaden the coverage of isFirstSlide test

If we:
- visit a vertical slide

and then:
- go to the first slide

the function will return **false**.

Added a test to isLastSlide too just to be sure.
kill-yank mistake
fixed a problem in the function isFirstSlide

when visiting a vertical slide and then going back to the first slide, the function would return false.
made it more fail proof by checking the indices directly.
== --> ===
no need to override font sizes after updates to pdf printing
fix bug in retrieval or background images while in pdf mode
Merge branch 'fix-isFirstSlide' of https://github.com/fabianorosas/reveal.js into dev