v0.4.4 - with new ready to use image

Changelog

• ansible
  • fix shell vs command usage
  • fix kernel-change-bug that bricked the image
  • fix bugs and improve code
  • allow deeper cleanup
  • increase compression for ready-to-use shp-image
• improve documentation

Tested

• sheep testbench
• herd testbench
• ansible bootstrap and deploy
• ansible acquire image

Full Changelog: v0.4.3...v0.4.4