[Add] travis-ci: windows build
[Add] travis-ci: windows build

andrewchenshx/vnpy,andrewchenshx/vnpy,andrewchenshx/vnpy,vnpy/vnpy,andrewchenshx/vnpy,bigdig/vnpy,vnpy/vnpy,msincenselee/vnpy,andrewchenshx/vnpy,msincenselee/vnpy,bigdig/vnpy,msincenselee/vnpy,bigdig/vnpy,bigdig/vnpy,msincenselee/vnpy