Bug 815501 - Handle undefined developer name and url in the app install dialog. r=etienne
Merge pull request #6910 from mnoorenberghe/815501-app-install-developer

Bug 815501 - Handle undefined developer name and url in the app install dialog
Bug 828076 - Trusted UI should notify caller(s) when it is closed by user action
Merge pull request #7453 from jedp/823751-trusty-ui-cancel

Bug 828076 - Trusted UI should notify caller(s) when it is closed
Auto-merge from branch 'master'