Rename `options.id` to `options.name` and generate unique `id`.
Revert "Merge pull request #1420 from jsantell/967295-fix-fennec-testaddons"

This reverts commit d7ef590b9ec9c03b24f4ec86f8e4bb98487dc9ff, reversing
changes made to b6b553e5defa5a2dd97db9f23fe79c7af15a4467.
Bug 967295 Disable test addons that do not have Fennec support on Fennec
Merge pull request #1427 from jsantell/967295-fix-fennec-testaddons

Fix Bug 967295 Disable test addons that do not have Fennec support on Fennec, r=@erikvold
Merge pull request #1410 from Gozala/bug/frame-name@976654

Bug 976654 - Rename `options.id` to `options.name` and generate unique `id`. r=@zer0
Bug 966727 - Toolbar created by sdk/ui should not be customizable …

- Added CustomizableUI input module
- Modified toolbar's view
- Added test case