drop the receiver top 10 board

[chadwhitacre]

@jnoller, via Twitter.

focus on highlighting givers, and cycle the receivers

See previous discussion of making the homepage dynamic on #24.

[synapticarbors]

+1 on this. Also It might be good to have something on the front page about how much money is being exchanged through the market in total since this says something about the success of the Gittip community as a whole.

[pjz]

👍 or at least modify it, offering 'top' by: $$$, funders (number of contributors), and average $$$/funder.

[tshepang]

@synapticarbors that is now implemented right?

[Changaco]

Closing in favor of #1928.