convert to logback

Conflicts:
	addons/autoprox/src/main/java/org/commonjava/aprox/autoprox/data/AutoProxDataManagerDecorator.java
	addons/autoprox/src/test/java/org/commonjava/aprox/autoprox/live/data/AutoProxDataManagerDecoratorTest.java
	addons/depgraph/jaxrs/src/main/java/org/commonjava/aprox/depgraph/jaxrs/GraphResource.java
	addons/depgraph/jaxrs/src/main/java/org/commonjava/aprox/depgraph/jaxrs/MetadataResource.java
	addons/depgraph/jaxrs/src/main/java/org/commonjava/aprox/depgraph/jaxrs/WorkspaceResource.java
	addons/depgraph/jaxrs/src/main/java/org/commonjava/aprox/depgraph/jaxrs/calc/CalculatorResource.java
	addons/depgraph/jaxrs/src/main/java/org/commonjava/aprox/depgraph/jaxrs/render/RepositoryResource.java
	addons/depgraph/jaxrs/src/main/java/org/commonjava/aprox/depgraph/jaxrs/resolve/ResolverResource.java
	addons/depgraph/vertx/src/main/java/org/commonjava/aprox/depgraph/vertx/GraphResource.java
	addons/depgraph/vertx/src/main/java/org/commonjava/aprox/depgraph/vertx/MetadataResource.java
	addons/depgraph/vertx/src/main/java/org/commonjava/aprox/depgraph/vertx/WorkspaceResource.java
	addons/depgraph/vertx/src/main/java/org/commonjava/aprox/depgraph/vertx/calc/CalculatorResource.java
	addons/depgraph/vertx/src/main/java/org/commonjava/aprox/depgraph/vertx/render/RepositoryResource.java
	addons/depgraph/vertx/src/main/java/org/commonjava/aprox/depgraph/vertx/resolve/ResolverResource.java
	addons/dot-maven/common/src/main/java/org/commonjava/aprox/dotmaven/data/StorageAdvisor.java
	addons/dot-maven/vertx/src/main/java/org/commonjava/aprox/dotmaven/vertx/DotMavenHandler.java
	addons/indexer/src/main/java/org/commonjava/aprox/indexer/IndexHandler.java
	api/src/main/java/org/commonjava/aprox/model/HostedRepository.java
	api/src/main/java/org/commonjava/aprox/model/RemoteRepository.java
	bindings/jaxrs/src/main/java/org/commonjava/aprox/bind/jaxrs/admin/AdminResource.java
	bindings/jaxrs/src/main/java/org/commonjava/aprox/bind/jaxrs/admin/DefaultMaintenanceResource.java
	bindings/jaxrs/src/main/java/org/commonjava/aprox/bind/jaxrs/admin/ReplicationResource.java
	bindings/jaxrs/src/main/java/org/commonjava/aprox/bind/jaxrs/stats/BasicStatsResource.java
	bindings/vertx/src/main/java/org/commonjava/aprox/bind/vertx/admin/AdminResource.java
	bindings/vertx/src/main/java/org/commonjava/aprox/bind/vertx/admin/DefaultMaintenanceResource.java
	bindings/vertx/src/main/java/org/commonjava/aprox/bind/vertx/admin/ReplicationResource.java
	bindings/vertx/src/main/java/org/commonjava/aprox/bind/vertx/stats/BasicStatsResource.java
	core/src/main/java/org/commonjava/aprox/core/change/TimeoutManager.java
	core/src/main/java/org/commonjava/aprox/core/filer/DefaultFileManager.java
	core/src/main/java/org/commonjava/aprox/core/rest/ReplicationController.java
	core/src/main/java/org/commonjava/aprox/core/rest/util/DefaultGroupContentManager.java
	db/flat/src/main/java/org/commonjava/aprox/flat/data/FlatFileDataManagerDecorator.java
	subsys/groovy/src/main/java/org/commonjava/aprox/subsys/template/TemplatingEngine.java
	subsys/infinispan/pom.xml
	subsys/infinispan/src/main/java/org/commonjava/aprox/subsys/infinispan/inject/CacheProducer.java
	subsys/infinispan/src/main/java/org/commonjava/aprox/subsys/infinispan/io/JsonExternalizer.java
	subsys/vertx/src/main/java/org/commonjava/aprox/bind/vertx/ui/UIHandler.java
	test/db/src/main/java/org/commonjava/aprox/core/data/GroupDataManagerTCK.java
	test/db/src/main/java/org/commonjava/aprox/core/data/RepositoryDataManagerTCK.java