mandatory update v2.3

There are two important features:
1.Newbiecoin Decentralized Crowdfunding Platform(NDCP)
2.Change the inner unit of Newbiecoin from 0.00000001 to 0.0001 , while
the display decimal on pages is 0.01  and the 3rd&4th decimal would be
hidden, which would be better for reading and making transactions.