[MICD] Fix values on generated error image: remove clipping

The error is now stored in an Image with double values,
without restriction on these
[MICD] Reindent all the code
[MICD] Use the right constant for Quantization size
[MICD] Improvements on algo

Rename some variables
Remove unnecessary variables
Add missing letters in comments / strings
Add comments
[Quantif] Quantification and Quantifier structs are now classes

And methods have been reordered in cpp file
[Quantif] Members set to private, getters & setters added
[Quantif] Remove useless Quantifier class
[MICD] Apply quantification on generated error image
Merge branch 'fix_micd_algo'
[i18n] Improve the copy translations files to the deployment folder