Basic Authentication realized
Ignore list extended by Eclipse files
Tenant class added with first test
Logging configured using SLF4J/Logback
Include SLF4JBridgeHandler for unified logging

When a third-party library uses JUL as logging framework, the Bridge
will redirect the logging to the SLF4J Framework. This enables the
operator to configure only one framework.
Configured Tenant as entity
Created sceleton for RESTful Tenant service
Configured Tenant Service for Database Connection
Positive cases of TenantService tested
Added some contraint checks (existance, duplicates)
Separated REST API from service layer
Beautified logging settings
Added basic entities to domain model
Created script for clean database setup
Moved resources to proper folders
Added basic revision support for auditing purposes
Temporary commit
Realized transaction support for REST API
Cleaned up server configuration
Created DTO layer for REST interface