merge dev-group3

pom.xml

src/main/java/fucoin/AbstractNode.java

src/main/java/fucoin/Main.java

src/main/java/fucoin/MainRemote.java

.../fucoin/actions/control/ActionAnnounceWalletCreation.java

...java/fucoin/actions/control/ActionWalletCreationDone.java

...in/java/fucoin/actions/control/ActionWalletSendMoney.java

src/main/java/fucoin/actions/join/ActionJoin.java

src/main/java/fucoin/actions/join/ActionJoinAnswer.java

src/main/java/fucoin/actions/join/ActionTellSupervisor.java

src/main/java/fucoin/actions/join/ServerActionJoin.java

...va/fucoin/actions/search/ActionSearchWalletReference.java

...transaction/ActionCommitDistributedCommittedTransfer.java

...transaction/ActionInvokeDistributedCommittedTransfer.java

...ava/fucoin/actions/transaction/ActionInvokeSentMoney.java

...java/fucoin/actions/transaction/ActionNotifyObserver.java

...ransaction/ActionPrepareDistributedCommittedTransfer.java

...tion/ActionPrepareDistributedCommittedTransferAnswer.java

...ain/java/fucoin/configurations/AbstractConfiguration.java

...main/java/fucoin/configurations/DefaultConfiguration.java