Transfers validation - check if relevant files are downloaded before task execution and uploaded after that.
Transfers validation - updated log parsing and logging itself.
Simulation validator - checking if tasks were executed simulataneously
Simulation validator - validation errors class introduced
Simulation validator - transfers intersecting with computation
Simulation validator - script runner
Simulation validator - check if all jobs and transfers were executed within VM lifecycle
Simulation validator - transfer x job collision detection optimized.
Minor fixes - argument number checking, package reference.
Budget and deadline validation. Assuming only one budget x deadline combination is outputted.
Single task validator renamed and its tests amended.
Common validator script. Constraints validator adjusted to the new interface.
Simulation validator adjusted to the new interface.
Workflow order validator adjusted to the new interface.
Single task validator adjusted to the new interface.
Validators docstrings updated.
Merge branch 'feature/validation_part2'