Auto merge of #85 - mrmonday:travis-badge, r=mrmonday
Auto merge of #85 - mrmonday:travis-badge, r=mrmonday

Travis badge should track the master branch.

It was previously monitoring the most recent build, which could have failed,
whilst master is still working.

libpnet/libpnet,symphorien/libpnet,returntoreality/libpnet,david415/libpnet,symphorien/libpnet,libpnet/libpnet,tempbottle/libpnet,returntoreality/libpnet,symphorien/libpnet,fsck/libpnet,libpnet/libpnet,little-dude/libpnet,mrmonday/libpnet,symphorien/libpnet,tempbottle/libpnet,mrmonday/libpnet,david415/libpnet,mrmonday/libpnet,libpnet/libpnet,david415/libpnet,little-dude/libpnet,fsck/libpnet,tempbottle/libpnet,fsck/libpnet,fsck/libpnet,david415/libpnet,little-dude/libpnet,little-dude/libpnet,mrmonday/libpnet,returntoreality/libpnet,returntoreality/libpnet,tempbottle/libpnet