Update Travis API key (npm revoked all the keys).

Author: dpvc

.travis.yml

@@ -12,4 +12,4 @@ deploy:
     tags: true
     repo: mathjax/mathjax-node-cli
   api_key:
-    secure: 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
+    secure: IIoOYyUvKckq/Of8Ya+BrsZpiYFuVMsTJYuaSPpieZWCsig8VcKjORfLOueZD4Xc3M9LVAaF0cJIXJuJu5s0xGpvceTERzpOYc4rKCNkl4Do9LIefgqAY8YetQpZWdNgTNiC75Pz6f6H5lx5vL3WdsiKL2voNO2jJ3gALG1dPcMLxTSNkKJQXij0Eyn5tNx4xsiOQqHn3gz7iFbFEvjBKiFhUs7neDS0k8egcKHEJjna+Y0DasFFhLVhGpGOWQFL9sonJw9OViCQs1ZlveUNd8itx/0to/XP8Pf7UuNnH3XB662JFsV1Vkzuktx1NWIhvYIpbAEgD3dplj37vGKpFOSMh/aDjvgC65vHg5wmvC5dlmuojFxQjSq95rFQ5i0hHTsgAyTWP/fXwPQJXeI6kLKqHgsvl0cuomWg9rxYSkJgvqUr2Q1lhA2O+Qz2lnFP0Y3v3AHIU01IMkVRnkY1ijmqrrgWEM4sCzP/kFTEimw84nY+dsFSOy2Gxi/YEQCus3KVn0mB8ATlSjfd1H3qaulhZFjmqIQu6MtpPbOPFHVSFYiNsnq5dnVshBLbN9vkUxj8+MtKc+GhwRpH00az2eXEH59E14dEKokwTKIeGZuJZDe0DsNcCY24r/3TLYpmm9FQi0gyxDvm1oajkD4LNtYF6+rOP3zMBltzMFF10us=