By Jemima Whyte.  Originally published in the Financial Review. Atlassian co-founder Scott Farquahar wants every start-up business to commit to giving employee time, equity and funds to charity. He and a program backed by salesforce.com are on their way: they've signed up more than 600 businesses in the past 18 months. "We're maybe 12 months away from [start-ups] [...]