Final weighting is average of location resolution weighting and validation weighting (remove feed weighting and disease group type weighting)
Disease occurrence expert weighting calculated as average response from only the "reliable" experts (with weighting above threshold)
Update experts' weightings in one step replaces 'calculate and then later save'
Tests
Checkstyle compliance
Comments for clarification
Move thresholds to misc.properties
Long line
Merge pull request #305 from SEEG-Oxford/362-occurrence-weightings

Improve disease occurrence weightings calculation