Isar v0.3 release Major summary: 1. Changed build folders layout: Better support for multiple arch and distro builds with multiconfig, single working directory for each recipe. 2. Added flexibility to Isar pipeline: Define base classes and generic tasks. 3. Isar documentation: Added contributing, maintainer, technical overview. 4. Raw packages: Added possibility to create custom packages that don't require compilation. Also added a sample application to demonstrate this. 5. Apt deployment: Added initial implementation, better support for deps installation to target filesystem. 6. VM: Improved script to start QEMU VM, added basic test for QEMU image boot-ability.