Changes to Stackalytics default_data.json file

Added Andrew Mitry to the file
Added Anthony Veiga to the file
Added Anton Thaker to the file
Added Nathan Regola to the file
Added Raphael Mondesir to the file
Removed two spaces from Juan Perez's launchpad_id from the file

Change-Id: Id443f966e2d5fd4a3448462b3a113aee7a7052c6
Merge "Changes to Stackalytics default_data.json file"