Support for notes within markdown
work around iframe flicker in 3d transitions
typo and whitespace correction
fix initial auto-slide overridev #525
readme update for #505
ensure all future fragments are invisible #473
Merge branch 'dev' of github.com:hakimel/reveal.js into dev
add immediate transition style (#528)
document 'none' background transition
multiplex readme tweaks #514
add optional 'o' key to toggle overview #491
remove delay from url update #530
only call slide() after hash changes if indices have changed #529
correction to bug introduced via #529
remove 'rolling links' #532
Make header margin an overridable setting.

css/theme/template/settings.scss adds the $headingMargin variable, set to `0 0 20px 0`.
css/theme/template/theme.scss uses $headingMargin to set margin on headers.
Merge branch 'master' of https://github.com/MatthewEppelsheimer/reveal.js into dev
typo
added custom charset support for external markdown file
updated markdown example with data-charset