point script to a snapshot version of JavaDoc

Author: Igor Polevoy

update_api_docs.sh

@@ -1,6 +1,6 @@
 mvn javadoc:aggregate
-cp -rf target/site/apidocs/* ../javalite.github.io/activeweb/
-cd ../javalite.github.io/activeweb/
+cp -rf target/site/apidocs/* ../javalite.github.io/activeweb/snapshot
+cd ../javalite.github.io/activeweb/snapshot
 git add .
 git commit -m "update JavaDoc"
 git push origin master