Minor changes to travis-CI
Minor changes to travis-CI

openworm/ChannelWorm,VahidGh/ChannelWorm,openworm/ChannelWorm,cheelee/ChannelWorm,cheelee/ChannelWorm,gsarma/ChannelWorm,VahidGh/ChannelWorm,cheelee/ChannelWorm,openworm/ChannelWorm,VahidGh/ChannelWorm,VahidGh/ChannelWorm,gsarma/ChannelWorm,gsarma/ChannelWorm,cheelee/ChannelWorm,gsarma/ChannelWorm,openworm/ChannelWorm