Bug 839718: isPrivate works on Fennec tabs and windows now
Merge branch 'master' of git://github.com/mozilla/addon-sdk into 839718

Conflicts:
	lib/sdk/window/browser.js
Bug 839718: updated isWindowPrivate implementation
Merge pull request #792 from erikvold/839718

Fix Bug 839718: isPrivate works on Fennec r=@Gozala
Bug 842111:  TEST-UNEXPECTED-FAIL | test-tab.test behavior on close | Tab has the expected index - 1 == 2
Merge pull request #795 from erikvold/842111

Fix Bug 842111:  TEST-UNEXPECTED-FAIL | test-tab.test behavior on close r=@ochameau
Bug 793925: part 4 - move test-url related to packed/unpacked addons to dedicated test addon
Bug 793925: part 5 - Move test-layout-change to a test addon, so that it will be executed exactly like a regular addon.
Merge pull request #798 from ochameau/test-url

Bug 793925: part 4 - move test-url related to packed/unpacked addons to dedicated test addon r=@gozala
Merge pull request #799 from ochameau/test-layout

Bug 793925: part 5 - Move test-layout-change to a test addon, so that it will be executed exactly like a regular addon. r=@gozala
Bug 793925: part 3 - Use absolute path for tests and load each of them in its own loader as the main module.
Merge pull request #801 from ochameau/793925-part3

Bug 793925: part 3 - Use absolute path for tests and load each of them in its own loader as the main module. r=@gozala
Bug 793925: part 6 - Simplify manifest path by stripping package name in order to match path of the module from lib folder.
Merge pull request #802 from ochameau/793925-part6

Bug 793925: part 6 - Simplify manifest path by stripping package name in order to match path of the module from lib folder. r=@gozala
Bug 793925: part 7 - move sdk/test to test so that we can do require(test) without magic.
Merge pull request #803 from ochameau/793925-part7

Bug 793925: part 7 - move sdk/test to test so that we can do require(test) without magic. r=@gozala
Bug 793925: part 8 - Fix handling of relative path for system/out-of-manifest modules
Merge pull request #804 from ochameau/793925-part8

Bug 793925: part 8 - Fix handling of relative path for system/out-of-manifest modules r=@gozala
Bug 842702: Don't attempt to use undefined or null as valid images for context-menu items.
Bug 842702: Add tests for empty data and label properties and address review comments.