Update travis.yml to encrypt slack key

.travis.yml

@@ -1,63 +1,56 @@
 language: php
-
 php:
-    - 5.3
-    - 5.4
-    - 5.5
-    - 5.6
-    - 7.0
-    - hhvm
-    - nightly
-
+- 5.3
+- 5.4
+- 5.5
+- 5.6
+- 7.0
+- hhvm
+- nightly
 env:
-    - WP_VERSION=latest WP_MULTISITE=0
-    - WP_VERSION=latest WP_MULTISITE=1
-    - WP_VERSION=3.8 WP_MULTISITE=0
-    - WP_VERSION=3.8 WP_MULTISITE=1
-
+- WP_VERSION=latest WP_MULTISITE=0
+- WP_VERSION=latest WP_MULTISITE=1
+- WP_VERSION=3.8 WP_MULTISITE=0
+- WP_VERSION=3.8 WP_MULTISITE=1
 matrix:
   fast_finish: true
   allow_failures:
-    - env: WP_VERSION=3.8 WP_MULTISITE=0
-      php: nightly
-    - env: WP_VERSION=3.8 WP_MULTISITE=1
-      php: nightly
-    - env: WP_VERSION=latest WP_MULTISITE=0
-      php: nightly
-    - env: WP_VERSION=latest WP_MULTISITE=1
-      php: nightly
-    - env: WP_VERSION=3.8 WP_MULTISITE=0
-      php: 7.0
-    - env: WP_VERSION=3.8 WP_MULTISITE=1
-      php: 7.0
-
+  - env: WP_VERSION=3.8 WP_MULTISITE=0
+    php: nightly
+  - env: WP_VERSION=3.8 WP_MULTISITE=1
+    php: nightly
+  - env: WP_VERSION=latest WP_MULTISITE=0
+    php: nightly
+  - env: WP_VERSION=latest WP_MULTISITE=1
+    php: nightly
+  - env: WP_VERSION=3.8 WP_MULTISITE=0
+    php: 7.0
+  - env: WP_VERSION=3.8 WP_MULTISITE=1
+    php: 7.0
 before_script: # Make PHP 7 test work. https://github.com/CMB2/CMB2/pull/885
-  - export PATH="$HOME/.composer/vendor/bin:$PATH"
-  - |
-    if [[ ${TRAVIS_PHP_VERSION:0:2} == "7." ]]; then
-     composer global require "phpunit/phpunit=5.7.*"
-    else
-      composer global require "phpunit/phpunit=4.8.*"
-    fi
-  - bash tests/bin/install-wp-tests.sh wordpress_test root '' localhost $WP_VERSION
-  - phpunit --version
-
+- export PATH="$HOME/.composer/vendor/bin:$PATH"
+- |
+  if [[ ${TRAVIS_PHP_VERSION:0:2} == "7." ]]; then
+   composer global require "phpunit/phpunit=5.7.*"
+  else
+    composer global require "phpunit/phpunit=4.8.*"
+  fi
+- bash tests/bin/install-wp-tests.sh wordpress_test root '' localhost $WP_VERSION
+- phpunit --version
 script: if [[ latest == $WP_VERSION ]]; then phpunit --coverage-clover=coverage.clover; else phpunit --exclude-group cmb2-rest-api --coverage-clover=coverage.clover; fi
-
 after_script:
-  - wget https://scrutinizer-ci.com/ocular.phar
-  - php ocular.phar code-coverage:upload --format=php-clover coverage.clover
-
+- wget https://scrutinizer-ci.com/ocular.phar
+- php ocular.phar code-coverage:upload --format=php-clover coverage.clover
 branches:
-    only:
-        - master
-        - trunk
-
+  only:
+  - master
+  - trunk
 notifications:
-  slack: cmb2:KTPXnN1FwSO8QWo0aX01Pswt
+  slack:
+    secure: g3L0XaiaUjUeBoNMLXx4pdz+7JudZhFGPY1mOX1WkC4B0zo+M/tGdhLLz/NNbdu39FKSslctQ+mUf8ai4rpR4uckfj7y7ObDJY3+Yj0sWEF5CdXnvGAqziHxxqQHPWZA6+iCzm3bG/IFUQ7X6NWDFlw03VrPqun+205x6YpP00k=
   webhooks:
     urls:
-      - https://webhooks.gitter.im/e/00b1df026574cdaeb815
+    - https://webhooks.gitter.im/e/00b1df026574cdaeb815
     on_success: change  # options: [always|never|change] default: always
     on_failure: always  # options: [always|never|change] default: always
     on_start: false     # default: false