Add Travis CI configuration
Generate Gradle wrapper
Remove Init* classes
Use Gradle distro with sources for IDEA tooling
Implement basic key mgmt and address operations
Introduce Lombok for toString/equals/hashCode gen
Rename Address#get{KeyHash=>Value}
Introduce KeyHash and KeyPairGenerator abstractions
Rename {Basic=>Simple}Address
Extract class AbstractAddress
Introduce TransactionOutput
Introduce TransactionInput
Introduce Transaction
Introduce Ledger, InMemoryLedger
Introduce Ledger#add, add toString/equals/hashCode
Introduce Wallet
Repackage {spc=>bit.ledger}
Publish CI build notifications to IRC

Per instructions at:
    http://docs.travis-ci.com/user/notifications/#IRC-notification
Test CI failure notifications
Revert "Test CI failure notifications"

This reverts commit 7fe990d80078e6f89f7e749b73c340e6b98b9ba3.