Add option to Gruntfile.js to specify server port
make hiding of address bar configurable
make sure remotes works without notes plugin being loaded #607
Merge branch 'patch-1' of https://github.com/mrshu/reveal.js
add note about port #608
prevent unintended slide change event

This prevents the upcoming slide on the notes page from triggering
slidechanged events.  I believe this fixes issue 578, as well.
update comment
Merge branch 'master' of https://github.com/drhuettl/reveal.js
add contribution guidelines
Add stamped image styles
Merge remote-tracking branch 'reveal.js/master' into madsgraphics-theme