Converted task GET query to use an inner join, more flexible for joining again other tables.
Thrift updated, added nodeIds to the TaskFilterT object.
Merge branch 'master' of github.com:sqlboy/plow
Added some error logging for the crond tasks
Added DAO/service methods for setting finding unresponsive nodes and setting then to down.
Added method to get dispatch proc from task.
No need to require a full DipsatchProc object for deallocation.
Added a down node checker.