[BUG #8642] fix for touch events
minor lint fix
Minor
 Only set the focus to the active widget if it really is focusable
[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
Merge pull request #104 from level420/master

[BUG #8668] Error on closing qx.ui.core.Blocker when previous active widget is not focusable
[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.