Update data etc. to support corrected shapefiles
Allow configuration files to be placed in a "conf" subfolder of the working directory. This allows DataManager to be deployed locally.
Ensure that disease occurrence reviews are only used if their corresponding disease occurrences are in status IN_REVIEW. This allows historical occurrence reviews to be imported and then only used if necessary.
Disease occurrence reviews are now only handled if their occurrence is IN_REVIEW. This simplifies the existing code, and allows historical occurrence reviews to be imported and used when required.
Update shapefile table test data
Fix test
Merge pull request #256 from SEEG-Oxford/283-shapefile-correction

Shapefile correction