New Windows executable for issue https://github.com/NAVADMC/SpreadModel/issues/43.
Population delete link + confirmation.  Closes #194
Implemented #193 parts 1-3
Migration for #193
Started MtM widget for #193.  Fixed migration to allow no effect on Production Type.
RAN_new_generator used to take a seed as argument; now it takes an initialized GSL format random number generator.
In the middle of Zone Effect grid #193.
Minor fix in xml2sqlite script: it is not mandatory to give a probability distribution a name.
Showing the correct ZoneEffect values, but they can't be edited.
xml2sqlite script now handles Histogram type probability functions.
xml2sqlite script fixes to reflect the data model changes in issue https://github.com/NAVADMC/SpreadModel/issues/193.
Working auto-update javascript for Zone Effect Assignment closes #193
Working auto-update javascript for Zone Effect Assignment closes #193
C code SQL query fixes to reflect the data model changes in issue https://github.com/NAVADMC/SpreadModel/issues/193.
Fix to read histogram type PDFs from the database: now properly checks graph_id and sorts on x instead of the deprecated point_order column.
xml2sqlite script now fills in names for all PDFs and rel charts, even ones that didn't have names given in the XML, as discussed with @josiahseaman over email Aug 15.
Minor: one no-longer-needed variable deleted.
Cleanup
Zone stat breakdown partially working for #197.  Discovered bug #198
No Background Zone.  Speculative fix for #198