chore(travis): added secret

minor format adjustment

.travis.yml

@@ -1,21 +1,13 @@
 language: rust
-# NOTE: only required for coveralls, see TODO
-# sudo: required
-
 rust:
   - nightly
   - beta
 before_script:
   - pip install 'travis-cargo<0.2' --user && export PATH=$HOME/.local/bin:$PATH
 script:
-  - |
-      travis-cargo build &&
-      travis-cargo test &&
-      travis-cargo doc
-# TODO: setup coveralls and secret
-# after_success:
-  # - travis-cargo doc-upload
-  # - travis-cargo coveralls
-
+  - travis-cargo build
+  - travis-cargo test
+  - travis-cargo doc
 env:
-  global:
+  global:
+    secure: dNq4lrONr1BVbThL7Gg46bTLcP0caEyirs7ygKxclU1doJ9gSRTK1c2E8hU3SvhQ2eJO4dYyUigQo1b5CO82hpfWJxR7rMk4Nmy06l9kvz2O8++yHIJhObwTPeCKuWFbWyHLFKAc4o6xyTESumsHpHEApllDjkuEoxaMioJ3wY0=