Always check to make sure we're up-to-date.

deploy.sh

@@ -2,11 +2,13 @@
 
 # Make sure we're in a good state.
 git checkout master
+git pull
 rm -rf dist
 ember build --environment production
 
 # Move to the "release" branch and make everything work.
 git checkout gh-pages
+git pull
 ls -1 | grep -v -E '^dist$' | xargs rm -rf
 mv dist/* ./
 mv dist/.* ./
@@ -16,4 +18,5 @@ rmdir dist
 git commit -am "Update."
 git push
 git checkout master
+git pull
 ./install.sh