Redmine REST API Client for Scala

• Core and client modules are built for Scala 2.11 and 2.12.
• Play-WS module is built for Play Framework 2.5/Scala 2.11.
• Play-WS-Standalone module is built for Scala 2.11 and 2.12.
• Uses typelevel:cats to provide monadic DSL for web request/response.
• Uses SLF4J API for logging.
• Based on TaskAdapter Redmine Java API