added example reports as well as moderator count measure, and change descriptor id and sort order for month to reverence year_month_num
Prod RPD, with added descriptor id on month column
more sample reports for new measures
Added new measures

-Removed product category from hierarchy
-added agv rev per meeting
-avg meeting per host
-avg meeting duration
-avg minutes per host
-avg rev per host
-avg rev per meeting
Merge branch 'master' into develop