[EPIX100] [DARK]Adding Bad Pixels Map

Description

• Generates the bad pixel map.
• Added badpixel_threshold_sigma input variable: Number of standard deviations considered for bad pixel classification.
• Sensor size is read from hdf5 file instead of being manually input.

How Has This Been Tested?

• Running the notebook
• Terminal command "xfel-calibrate EPIX100 DARK"

Types of changes

• New feature (non-breaking change which adds functionality)

Checklist:

Reviewers

@ahmedk @danilevc