dgm-sdk v1.2.5

dgm-sdk v1.2.5 changelog:

• General:
  • Fixed wrong package name
  • Bumped dgm-lib to v1.4.4
  • Fixed bad packaging of top level Readme.md
  • Enforce latest C++ standard
• Examples
  • Added example-controller to show how to work with dgm::Controller
• Project template
  • Prevented Google Benchmark from being packaged
  • Refactored code for creating options app state