can construct an account based DKC when you have a seed
can now generate an account DKC using a pub key
can now generate account specific wallets
trezor wallet testing
can not persist and load Trezor wallets
Merge branch 'master' of https://github.com/bitcoin-solutions/bitcoinj

Conflicts:
	core/src/main/java/org/bitcoinj/wallet/DeterministicKeyChain.java
	core/src/main/java/org/bitcoinj/wallet/KeyChainGroup.java
	core/src/test/java/org/bitcoinj/wallet/DeterministicKeyChainTest.java
merge
Merge branch 'master' of https://github.com/bitcoin-solutions/bitcoinj

Conflicts:
	core/src/main/java/org/bitcoinj/wallet/DeterministicKeyChain.java