Disable native capturing for IE 9 document mode on Windows Vista
Revert "Disable native capturing for IE 9 document mode on Windows Vista"

This reverts commit 4ec198117378345d341685f85dc9b7ec034373cd.
Merge remote branch 'upstream/master'
Merge remote branch 'upstream/master'
Merge remote branch 'upstream/master'
Merge remote branch 'upstream/master'
Only set the focus to the active widget if it really is focusable
Merge branch 'master' of https://github.com/level420/qooxdoo
[BUG #8637] fixes for property chains containing array indexes
[BUG #8642] added default value for customProps
[Bug #8679] value of 1 for  will not return an empty string anymore.
[Bug #8679] Dangling comma removed
Corrected width in Widget._getHeightForWidth when layout.hasHeightForWidth is true
Merge pull request #104 from level420/master

[BUG #8668] Error on closing qx.ui.core.Blocker when previous active widget is not focusable
Merge remote branch 'upstream/master'
[BUG #8691] Initialized the matchMedia polyfill on defer and removed all window context parameters.
[BUG #8691] Fixed unit tests.
[Bug #8660]name of  member variable changed
[BUG #8691] Skip MatchMedia unit tests on debug version.
Typos in qx.io.request.Xhr