fixing bulk updates to handle ES 1.0
fixing bulk updates to handle ES 1.0

From here: http://www.elasticsearch.org/guide/en/elasticsearch/reference/1.x/_return_values.html

"ok" has been removed from all response values, so the bulk updater is failing.
mavarick/pyes,mavarick/pyes,mavarick/pyes,haiwen/pyes,aparo/pyes,HackLinux/pyes,haiwen/pyes,haiwen/pyes,HackLinux/pyes,Fiedzia/pyes,aparo/pyes,Fiedzia/pyes,jayzeng/pyes,HackLinux/pyes,jayzeng/pyes,Fiedzia/pyes,jayzeng/pyes,aparo/pyes