Merge pull request #1 from marcoscaceres/gh-pages

Set up as an Editor's draft.
Merge pull request #2 from marcoscaceres/gh-pages

Quick fix
added patent policy info
fixed typo
Added security considerations from manifest spec (closes #11)
Merge pull request #12 from marcoscaceres/security_considerations

Added security considerations from manifest spec (closes #11). Received no review in the last 3 days, so merging to be able to continue work :(
updated latest version link (closes #13)
Fixed markup, added to ignore http request headers (closes #10)
Made sure that path is derived from the URI's path component (closes #9)
discussed privacy concerns (closes #7)
Added Giri's recommended text from #6 (closes #6)
Reworded text about breaking out of the package (closes #4)
regenerated spec
Fixed a bunch of typos and few markup issues.
modernized example, fixed up markup.
Removed security concern that does not apply to this spec anymore
Added thanks to Robin. Fixed whitespace.
Regen and tidy
Added reference to W3C HTML5
Fixed validator issues with table.