Merge pull request #1 from WebDevBootcamp/master

merge upstream changes
update UI credits
Merge branch 'master' of github.com:MattKunze/markdown-presenter

* 'master' of github.com:MattKunze/markdown-presenter:
Merge pull request #1 from MattKunze/master

update UI credits
Reworking gh-pages branch so it is based off master

this will make it easier to merge updates, etc in the future
Merge branch 'gh-pages' of github.com:WebDevBootcamp/markdown-presenter into gh-pages

* 'gh-pages' of github.com:WebDevBootcamp/markdown-presenter:
  Reworking gh-pages branch so it is based off master