Fixed data location invalidation

[LanderOtto]

This commit fixes the invalidation of the location in the filesystem.
Now, when the path of a location is invalidated, the invalidation is propagated to all the sub-paths of the location.

Furthermore, it was fixed the registration of the path when a data is transferred.
Destination folder was created, but its data location wasn't registered.

New unit tests on these two features of the data manager were added.

In addition, the signature of the register_path method of the abstract class DataManager was changed.

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (3425b42) 67.09% compared to head (c10a4e8) 67.18%.
Report is 4 commits behind head on master.

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Additional details and impacted files

@@            Coverage Diff             @@
##           master     #324      +/-   ##
==========================================
+ Coverage   67.09%   67.18%   +0.08%     
==========================================
  Files          82       82              
  Lines       10253    10259       +6     
  Branches     2424     2427       +3     
==========================================
+ Hits         6879     6892      +13     
+ Misses       2950     2943       -7     
  Partials      424      424              

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