spiceworm

Fix VariableDoesNotExist exceptions

2

These were being thrown if fieldsets and subtitle are missing from the context. This commit fixes #586

'fieldsets' and 'subtitle' missing from Template context

2

### Describe the problem 'fieldsets' and 'subtitle' are missing from template context which results in `VariableDoesNotExist` exceptions. `fieldsets` will only be missing if `settings.CONFIG_FIELDSETS` is falsy. I verified this is...