handle complex foreign key associations#15

Open

djerius wants to merge 4 commits intodamil:masterfrom

djerius:sql_translator_compositions

Commits on Aug 12, 2015

tables with multiple foreign key cascaded deletes must be Associations
djerius
committed

Commits on Aug 13, 2015

Properly handle complex foreign key associations.
djerius
committed

Commits on Aug 14, 2015

add overlooked tests for creation of test tables
djerius
committed

Commits on Aug 17, 2015

track foreign key delete cascades in SQL::Translator schema
djerius
committed