allow an aggregation to filter out leading and trailing 'incomplete' rows if desired
add more attributes to triggers to track when they run, how long they take, and failure reasons
reverse default of 'dropIncomplete' so that current users can use existing urls to get new behavior
remove isWarnEnabled check
fix for null lastException
Merge commit 'b9c6790e3a699fd0b74120408abcd4bd463cb2f4' into HEAD