travis: Resolve some issues with validation

.travis.yml

@@ -1,4 +1,5 @@
-sudo: required
+os: linux
+dist: xenial
 language: generic
 services:
   - docker
@@ -43,7 +44,7 @@ jobs:
         - cd images && zip ${IMAGE_NAME}.zip ${IMAGE_NAME}
       deploy:
         provider: releases
-        api_key: ${GITHUB_OAUTH_TOKEN}
+        token: ${GITHUB_OAUTH_TOKEN}
         file: ${IMAGE_NAME}.zip
         skip_cleanup: true
         on:
@@ -84,11 +85,11 @@ jobs:
         - gitbook build
       deploy:
         provider: pages
-        local-dir: _book
-        skip-cleanup: true
-        github-token: ${GITHUB_OAUTH_TOKEN}
-        keep-history: true
-        target-branch: master
+        local_dir: _book
+        skip_cleanup: true
+        token: ${GITHUB_OAUTH_TOKEN}
+        keep_history: true
+        target_branch: master
         repo: CopterExpress/clover.coex.tech
         fqdn: clover.coex.tech
         verbose: true