clarified use case
README.md updated to have alternative proposal
Add empty doc
Updated README to link to live spec
Filled in main spec chapters
Fixed ref from README.md
Marked as unofficial

Marking as unofficial until we publish as FPWD.
Fix typo and grammar

Slight reword and fix typo
Example updated to be less confusing
Formatting fixed
Changed isHeld property to status, added status change event. Added example for using them.
New approach with one wake lock for one browsing context.
Added example about locks with timeout
Corrent reference to Promise spec
Renamed lock property to wakeLock
Updated spec to match what we discussed in pull request #9
Trivial commit for triggering a gh-pages build
Revert "Trivial commit for triggering a gh-pages build"

This reverts commit 1420049b4317317bf533e9e7b952bab4ca6113b4.
Using "screen" instead of "system" everywhere
Added wakelockchanged event