Several bug fixes, including the PoS trust issue.

1. Added addnode functionality to console window/daemon.
2. Added checkpoint at block 264656.
3. Fixed the unlimited coin "bug", capping PoW to 202,402,343.75 EBT.
4. Fixed trust issue for some PoS blocks.
5. Improved logging information for easier debugging.
Fixed redundant definition.
Update checkpoints.cpp
updating version for checkpoint addition
Updating default dynamic checkpoint to get rid of checkpoint too old warning.
Merge pull request #2 from jcstroud/master

changes