Snt25 659 outliers (IQR)

[EstebanMontandon]

Third cleaning (no functional changes) --> only a fix for imputation function printing infinite warnings.

Scripts touched:
snt_dhis2_outliers_imputation_iqr.ipynb

Report:
snt_dhis2_outliers_imputation_iqr_report.ipynb

.R files touched:
snt_utils.r --> (small fixes and added a new path in snt_init function to "figures" folder to be available during reporting)
snt_dhis2_outliers_imputation_iqr.r
snt_dhis2_outliers_imputation_iqr_report.r

Re-arranged try: block in the python pipeline snt_dhis2_outliers_imputation_iqr (no functional changes)

[EstebanMontandon]

@sPuntinG I resolved the merge conflicts, this branch is ready to be Squash and merged.

[sPuntinG]

Ok cool, all seems good!

I re-run the notebooks in the SNT Testing ws (BFA data) with all modified files (copied the whole ./code folder and the whole ./snt_dhis2_outliers_imputation_iqr folder in the ws).
Then also run via pipeline (latest version from template, without the "Pull scripts").

This seems enough of a test since the changes are all in the nb setup, utils and engeneering side -- no changes to core calculations.