No more need for sourceMountPath
Fix line counting
Do not use os.path.join with entry["destination"]

if it starts with a "/" then `destination` will be equal to entry["destination"]
More precise error handling
No need for UnpackEntry.source_dir
Use os.path.join
Damn, forgot named tuples cannot be updated. Use a class instead
Iterate on values, not on keys
Fix progress reporting
Move mounting of special partitions from grub to mount
Use libcalamares.utils.mount