Bug 866333: Added extra check to avoid wrong events property returned in cases, when, for example event type coincides with Object property, such as nonstandard Object.prototype.watch, for instance
(cherry picked from commit 09f7197a85475fd9fdbaf64ffeec553e86fe2da8)
Bug 866333: adding test for event names like "watch"
added URI test to stop opening invalid URIs
added tests for chrome and resource URIs
added test for ftp
closed all the opened windows
Improved windows closing
Bug 865489 - Cannot iterate Addon SDK-List with for..of

Added `iterator` method to `List` (deprecated version too), so that our SDK list (`tabs`, `browserWindows`, etc) can be iterated with `for...of`.
Update cfx-tool.md

The documentation was not clear on how the autoupdate links are created. The name of the files are also needed in the URLs to specify for the update requests.
Also the cfx xpi -update-link commands need to be on the same line (at least on Windows).
copy-editing panel position doc
Replace XHR in favour of addon/window's XHR.
Bug 855771: enable test-tab-utils.js, remove tab/window count assumption
Bug 851426 - "TypeError: hiddenWindow.document.body is null" when creating a Panel

- Fixed the observer's topic for rebranded products
Merge pull request #1001 from ZER0/rebranded-topic/851426

fix Bug 851426 - "TypeError: hiddenWindow.document.body is null" when creating a Panel r=@ZER0
Added support for HEAD requests
Bug 874070 - Fix selection tests and tab-browser lib to listen for load events on <browser> rather than <tab>
Merge pull request #1002 from gijsk/bug874070

fix Bug 874070 - SDK tests shouldn't check for <tab>'s load event but for browser's r=@zer0
Merge pull request #1004 from bkase/bug643156

Bug 643156 - Added support for HEAD requests r=@ochameau
Fix regression that removed `addon` global.

- Write tests to catch such regressions in a future.
Merge pull request #1005 from Gozala/bug/addon-global@874152

Bug 874152 - Fix regression that removed `addon` global.