So many important changes (and one code boo-boo)

Well, ponycoins no longer use the same address type as litecoins
The epoch was changed
A horrific bug-producing bit of code was removed in main.cpp
Only 100,000,000 ponycoins will be produced at a rate of ~920
ponycoins/day
pszTimestamp was updated
See the full commit for details on all of the major changes
==Ponycoins are not usable yet==