Make summary results openskin available in openrem

[Luuk]

Make summary results of openskin available in database of openrem, so it can be used (e.g. for triggering warnings).

Related to #605 and #810

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[Luuk]

Refs #827

• Save max. skin dose, skin dose phantom setting, and skin dose version in OpenREM

• Add option to set alerts for max. skin dose

• fixed error if comparing none to int (in send_high_dose_alert_emails.py)

• Add max. skin dose value to alert e-mails

→ <<cset 9ea3df507ba5>>

[Luuk]

Refs #827

• Updated documentation
• Updated changes.rst

→ <<cset c9e9a9115c14>>

[Luuk]

Refs issue #827

• Some PEP8 improvements
• Added test to check if max skindose is calculated correctly

→ <<cset 53873e096ccf>>

[Ed McDonagh]

Changed to attribute @wens

[Ed McDonagh]

Merged in Issue827openskin2openrem (pull request #369)

Make summary results openskin available in openrem and make alert triggering possible

Fixes #827

Approved-by: Ed McDonagh Approved-by: David Platten

→ <<cset 75485726a502>>