Load Query from File Issue

[BenjaminHofstetter]

The path to the SPARQL query file is stored with an absolute path (.rq, .sparql).

Pro:

• you can move the Notebook file around and it's still working.

Con:

• storing the absolute path doesn't work if the notebook file is in a git repo and you do a checkout.
• then you are on a different machine and the absolut path breaks.

[BenjaminHofstetter]

load the filles relative