Address review comments

* Update backers link to OpenBLAS repo
* Remove reference to Bountysource

docs/about.md

@@ -6,21 +6,7 @@ OpenBLAS developers: <https://groups.google.com/forum/#!forum/openblas-dev>
 
 ## Donations
 
-Thank you for the support.
-
-You can read OpenBLAS statement of receipts and disbursement and cash balance on [google doc](https://docs.google.com/spreadsheet/ccc?key=0AghkTjXe2lDndE1UZml0dGpaUzJmZGhvenBZd1F2R1E&usp=sharing).
-
-### Fundraiser
-
-* [2013.8] [Testbed for OpenBLAS project](https://www.bountysource.com/fundraisers/443-testbed-for-openblas-project)
-
-Here is [Backer list](https://github.com/xianyi/OpenBLAS/blob/develop/BACKERS.md).
-
-### For Personal Donation
-
-You can create a bounty for an issue on [bountysource.com](https://www.bountysource.com/trackers/69691-openblas). 
-
-### For Hardware Vendors
+You can read OpenBLAS statement of receipts and disbursement and cash balance on [google doc](https://docs.google.com/spreadsheet/ccc?key=0AghkTjXe2lDndE1UZml0dGpaUzJmZGhvenBZd1F2R1E&usp=sharing). A backer list is available [on GitHub](https://github.com/OpenMathLib/OpenBLAS/blob/develop/BACKERS.md).
 
 We welcome the hardware donation, including the latest CPU and boards.