Merge pull request #169 from secretrobotron/master

proper manifest.webapp content-type for ffos
Updating to ceci pulls/47
design fixes to install page
Merge pull request #182 from mozilla/cards-fix

design fixes to install page
Updating for app context in Ceci.
Merge branch 'master' of github.com:mozilla/appmaker
added in tabs for cards
Merge pull request #184 from mozilla/cards-to-tabs

added in tabs for cards
Updating ceci sub-module
Merge branch 'master' of github.com:mozilla/appmaker
safety checks for template rendering during publish
another safety check for listen elements
cleanup and attributes in publish output
Merge pull request #189 from secretrobotron/publish-safety-checks

safety checks for template rendering during publish
fixed references to install.css and missing jquery
Merge pull request #191 from secretrobotron/head-tag-fixes

fixed references to install.css and missing jquery
modal style fixes: zindex and position