KB-381 Fix date rounding for results to match requested range

Have to fudge the date parsing, due to UTC vs local timezone
KB-381 Use a date formatter to omit the day-of-month and just say month

I.e. was January 1, 2012, its now just January, 2012
KB-376 Fix dates in filename downloads csv
KB-381 Fix dates in CSV data to match requested range

Needed to use a UTC date formatter.
Fix typo in method name