Hack: ability to run image-only mode
Fix: Issue #16

Proves the concept of c0c079acd07593070d832b084096e40466f73e5e
Merge remote-tracking branch 'upstream/master'
Transplant from stactions
Initial background works
Added Delay feature
Added skeletal infra. to support VM loopers
VMLooper is now attached by default
Skeletal implementation of scheduler
Added DUH\CUH registration capabilities
Fixed ambiguity between DUH(-) and CUH(+)
CUH and Schedule linking capabilities
Cycles support added to CUH
It uses aNumber now
Merge pull request #22 from Itaros/nonblocking

Nonblocking(Schedule) and blocking(Delay) delays