Add nuiton-config, and plug it to Unit Test

...a/io/ucoin/client/core/technical/crypto/SimpleCrypto.java

...F/services/io.ucoin.client.core.service.BlockchainService

...-INF/services/org.nuiton.config.ApplicationConfigProvider

...core/src/main/resources/i18n/ucoinj-core_fr_FR.properties

...core/src/test/java/io/ucoin/client/core/TestFixtures.java

...core/src/test/java/io/ucoin/client/core/TestResource.java

...a/io/ucoin/client/core/service/BlockchainServiceTest.java

...est/java/io/ucoin/client/core/service/WotServiceTest.java

...t/java/io/ucoin/client/core/technical/CryptoTestUtil.java

.../java/io/ucoin/client/core/technical/CryptoUtilsTest.java

ucoinj-core/src/test/resources/ucoinj-test.properties