build(docs): ensure docs are built on new release

Build of docs was broken when npm releases were automated.

Fix travis so docs are built and deployed on a new tagged release.

Author: user378230

.travis.yml

@@ -26,19 +26,19 @@ after_success:
   - "gulp docs"
 
 deploy:
-  skip_cleanup: true
-  provider: "script"
-  script: "bash ./deploy-docs.sh"
-  on:
-    all_branches: true
-#  on:
-#    tags: true
-  provider: npm
-  email: [email protected]
-  api_key:
-    secure: AUjI1lAZofXXFN2/CH497TN1hqm+fAUXKJCBjxmd0xiSrNUgMZqjg96g5R6OU11+zFRwcuvIWKvBcjiozSbej5zaU2Eh6amrJN+cM4cfLf4ljAdnHPGs4divlFchbqX1ThNQsLfC/dZZCVBo4oOvTz8l2L3LLwOYZkngQ0DoiHE=
-  on:
-    tags: true
+  
+  - provider: "script"
+    skip_cleanup: true
+    script: "bash ./deploy-docs.sh"      
+    on:
+      tags: true
+  - provider: npm
+    email: [email protected]
+    api_key:
+      secure: AUjI1lAZofXXFN2/CH497TN1hqm+fAUXKJCBjxmd0xiSrNUgMZqjg96g5R6OU11+zFRwcuvIWKvBcjiozSbej5zaU2Eh6amrJN+cM4cfLf4ljAdnHPGs4divlFchbqX1ThNQsLfC/dZZCVBo4oOvTz8l2L3LLwOYZkngQ0DoiHE=
+    on:
+      tags: true
+      
 sudo: false
 
 git: