Minor bug fix for "Save" button color state
Sorting file list alphabetically.
Minor bug fix for child models (DirectSpread, RelationalFunction) returning to the wrong place
Shift-Click for Many-to-Many.  Closes #77
Breadcrumb for New/Edit model forms.  Bulk of #100 done.
Added breadcrumb to RelationalFunction.  Closes #100.
Disabling all Control options based on the master plan check box.  Closes #79
Minor
Created easy defaults for Controls Plan.  Fixes #105
Singleton redirect.  Fix #106
Added a test that shows the behavior of a recently discovered bug.
Fix for issue https://github.com/NAVADMC/SpreadModel/issues/122
Fixed js bug relevant to #119
Radio button support and styling for conditional fields.  Pre #119
Only show relevant fields in a PDF.  Fixes #119
Minor
Merge remote-tracking branch 'origin/master'
Added 'edit' button to Model_select.html.  Expanded modal behavior.
Deleting modals once they are no longer needed.  Fixes #119
Moved some functionality out of zone.c because it better belongs in zone-model.c.