Floatcanvas samples updates for Phoenix

git-svn-id: http://svn.wxwidgets.org/svn/wx/wxPython@73882 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
turn off execute property, ensure native eol.

git-svn-id: http://svn.wxwidgets.org/svn/wx/wxPython@73883 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775