Rewrote Events introduction
Events: Minor formatting tweak
Events: marked up deprecated items

Deprecated items should always have markup (and formatting, even if only the markup’s default formatting) to set it apart from the rest of the content
Fix capitalization in Events
Events: tweak deprecated markup
Events: Minor style tweak
Events: Minor markup tweak
Events: Explicitly label Example
Merge pull request #120 from Zearin/events

Events: Update for formatting, markup, and other small tweaks