inviteHumanAsOrganization as an organization

[benjaminbollen]

we can have organizations invite people. If the org has no Circles on their account, there is no liquidity for people invited by org initially, but it does set them up in the system; ready to go find more people. (If the org has a balance of tokens, then there is some liquidity)

the motivation for invited by org is for people at events, to be able to wear a different hat, and rather than being forced to invite from your personal account, you can onboard people from the organization.

the interface would have a donation in XDAI, which can be arbitrary, but not-zero value, purely as a reputational game to "make it count" to invite people as an org (because who's CRC to burn); later we can build mechanisms to extend this, where the donation should get transferred. (benefit: because it is msg value, we can actively call on the donation address without ERC1155 standard)

function inviteHumanAsOrganization(address _human, address _donationDestination)