another attempt travi-ci

.travis.yml

@@ -11,7 +11,8 @@ script:
 after_success: |
   if [ -n "$GITHUB_API_KEY" ]; then
     cd "$TRAVIS_BUILD_DIR"
-    git pull
+    git branch -r
+    git branch -D gh-pages
     mkdocs gh-deploy --remote-name https://$GITHUB_API_KEY@github.com/spearheadsys/issue-response-docs.git
     cd "$TRAVIS_BUILD_DIR"
   fi