add a rake task to remind teams to update their log
add a rake task to remind teams to update their log

TeamCheesy/rgsoc-teams,michaelem/rgsoc-teams,michaelem/rgsoc-teams,michaelem/rgsoc-teams,TeamCheesy/rgsoc-teams,rails-girls-summer-of-code/rgsoc-teams,TeamCheesy/rgsoc-teams,rails-girls-summer-of-code/rgsoc-teams,rails-girls-summer-of-code/rgsoc-teams