0.2.0

• Initial incomplete implementation of C++ API (not built by default, use
  configure option --enable-cpluffxx to enable C++ library).
• Added support for application provided plug-in loaders that may resolve
  plug-ins using application specific mechanism. A local plug-in loader
  loading plug-ins from local file system is provided by the framework.
• Updated build environment for current tool versions.
• Improvements to build scripts (configure cache, etc).
• Removed files which are now part of Debian packaging.
  Thank you to Bálint Réczey for Debian packaging.
• Support for Kodi plugin format added by Bálint Réczey.
• Support for pkg-config added by Olaf Hering.
• Build fix for iOS and OS X by Razzeee.
• Some compilation warnings fixed by Chris Mayo.
• Build fix for NetBSD by coypoop.