Changes to error messages for database operations. Error message will give more details on which operation failed.
Merge branch 'master' of https://github.com/NAVADMC/SpreadModel
Merge branch 'master' of https://github.com/NAVADMC/SpreadModel
Merge branch 'master' of https://github.com/NAVADMC/SpreadModel
#245 Initial link examples in Disease Progression.
Fixes #293 so we don't pull all the large OS branches.
#245 Converted much of the Input side to Lexicon links.  Included /Relational-functions example of an external link.  Included "Unit" populate template example.  Bold help text.
Merge remote-tracking branch 'origin/master'
#177 and #288 remove ReadAllCodes tables and Dynamic blob because they're unnecessary.
#288 migration 42 renamed DiseaseSpreadAssignment in all code locations.
#288 migration 43 removed unnecessary _scenario and _spread_method_code
#245 Completely linked meaningful mentions of Lexicon words from the wiki.  New definitions needed.
#288 updated all included scenarios to the canonical schema.  Added file print statements.
Merge branch 'master' of https://github.com/NAVADMC/SpreadModel
Changes to SQL queries to go with migration 42, which renamed ProductionTypePairTransmission to DiseaseSpreadAssignment. #288
#302 remove "clinical units" in favor of "detected units" in help text wording
Closes #288 Removed all migrations and updated canonical scenarios.
#288 Caught an old mention of  ProductionTypePairTransmission
Merge branch 'master' into Windows-staging