[Add] .travis.yml: added names for build matrix
[Add] .travis.yml: added names for build matrix

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