[beeswax] Send watch status when no error

Cleaned up error reporting a bit
HUE-1896 [beeswax] Query logs are queing up
HUE-1892 [oozie] Permission denied for hive-site.xml for Hive action on workflow

Rename hive-site.xml example to hive-config.xml.
Add a note on the editor of Hive action.
Cleaner History page with direct link to dashboard from the editor.