(Equivalent of r51796 on the 2.8 branch) git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@51797 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@49214 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
1. Changed wxTimer to use wxTimerImpl 2. Added Unix-specific generic timer implementation 3. Added wxAppTraits::CreateTimerImpl() git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@45544 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775