move the CIF experiment reader to Lib

[rozyczko]

CIF file readers for experiment (and later for Analysis) should be in the Library, so they are accessible through the notebook.

[rozyczko]

This has been implemented in EDL now in experiment_cif_reader branch.

The implementation could be done by:

• instantiating the job object with the CIF file as an argument. This would avoid querying the CIF file for exp type first. However, this approach would require a way to overwrite existing job object on using a different exp file, potentially making the implementation complex
• querying the file first to determine the exp type, then instantiating correct job class based on the exp type.

I chose the second option as it is less complex and is not hiding any type information.

[rozyczko]

example script to use the new functionality

cif_load.zip