update travis.yml. add before_deploy section
update travis.yml. add before_deploy section

stanaka/mackerel-agent,kamatama41/mackerel-agent,stanaka/mackerel-agent,yyljlyy/mackerel-agent,yyljlyy/mackerel-agent,mackerelio/mackerel-agent,yyljlyy/mackerel-agent,yyljlyy/mackerel-agent,kamatama41/mackerel-agent,kamatama41/mackerel-agent,stanaka/mackerel-agent,stanaka/mackerel-agent,mackerelio/mackerel-agent,kamatama41/mackerel-agent,mackerelio/mackerel-agent