MIX: Acknowledge Brian's work.
MIX: Trim down 'blockable content'.
MIX: Drop 'weak TLS-protection'.
MIX: Simplify.
added permissions api to charter
Merge branch 'master' of https://github.com/w3c/webappsec
MIX: Walk the ancestor tree for powerful features.

As requested in https://www.w3.org/Bugs/Public/show_bug.cgi?id=27302,
this patch adjusts the powerful features algorithm to accept an
'ancestor flag'. If set, the algorithm will only return "Allowed" if all
of a document's ancestors would return "Allowed".
POWER: Strawman 'powerful features' document.
Make the abstract more clear.

Hopefully.
Merge pull request #90 from noncombatant/abstract

Make the abstract more clear.
Expand on some topics in the body.

Provide a sketch of an introduction, and raise the distinction between
"trusted" (can break the security guarantee) and "trustworthy" (is unlikely
to break the security guarantee).
Merge pull request #91 from noncombatant/powerful-features-body-edits

Expand on some topics in the body.
POWER: More work.
re-building HTML from spec.markdown
Merge pull request #92 from mozfreddyb/refresh-html

re-building HTML from spec.markdown
Merge pull request #93 from w3c/master

merging into gh-pages
POWER: Fiddlings.
POWER: Changing algorithm names.
POWER: Fixing a hanging 'Allowed' reference.
MIX: Some of Brian's nits.