Initial Auroracoin parameters from litecoin

Committer: <nite69>
Changes to be committed:
	new file:   core/src/main/java/org/auroracoin/AuroraCoinParams.java
	new file:   core/src/main/java/org/auroracoin/AuroraCoinPeerDBDiscovery.java
	new file:   core/src/main/java/org/auroracoin/AuroraCoinWallet.java