Update to foxcoin released (v1.5.3)

- Pond compatibility completely fixed. Really.
- Added commas.
- Added more commas.
- Added RPC command getestimatednexthardness.
- Added RPC command to statstics.
- Made statistics page values turn red/green depending on if they've gone up or down.
- Fixed statistics page wording.
- Fixed odd naming bug in foxcoin-qt.pro

Binaries available for Windows and Max OS X, sources available for others.

If you have not updated to 1.5 or higher this update is mandatory!