Fixed a typo.
Merge pull request #83 from mbbill/patch-1

Fixed for typo. Request reviewed by @marcoscaceres.
Merge remote-tracking branch 'upstream/gh-pages' into app_uri
Rewrote the and referenced app: URI scheme spec
"application package" -> "packaded application"
Merge pull request #78 from marcoscaceres/gh-pages

MIME registration (+typo fix).
Merge pull request #85 from marcoscaceres/app_uri

Rewrote origin and app URI dependency section.