Update copyrights
Implement workaround for http://bitcoin.org/may15
Implement proper block size for getblocktemplate.
Clean up unused variables and comments.
Implement additional checks in GetHash() and CheckBlock() to account for
different hash algorithms.
More GetHash(), CheckBlock() and totalCoins fixes.
Fix coin mechanics calculations.
Borrow code from MintCoin to fix the getbalance and getbalance '*' RPC
calls and peer node storage.
Fix dev/foundation and fee/contribution terminology.
Reimplement damaged tx-message RPC interface.
Update wallet version.
Update client version, mingw build environment and (temporary) remove
permanent node.
QT GUI fixes, images, tooltips.
copyright fix.