Checkpoint update. 0.8.1.2

• Updates to UniversityCoin.net
• Updated source: https://github.com/wsbrianw/UniversityCoin
• Windows binary: https://mega.co.nz/#!dBUSlB6C!_yM_iRe8GCkQXpA0gSFnH0hmXcJWNygxAboCqoahpbs

Other than the checkpoint there is a change that delays staking a block by 300 seconds. This helps the wallet behave better.