Fix some "wxPython" package names --> "wx" in comments, etc.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxPython/Phoenix/trunk@75580 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
show the value of cfg.VERSION when building

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxPython/Phoenix/trunk@75581 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
Add missing EVT_STC_HOTSPOT_RELEASE_CLICK

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxPython/Phoenix/trunk@75582 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
Add test for wx.FlexGridSizer.GetColWidths and GetRowHeights

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxPython/Phoenix/trunk@75583 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775