save + download fixes

- moved configToSave code into a helper method
- updated to unset parent on currentTrim
- using same pattern for save ops

Signed-off-by: Chris Jones <chris@jonezy.org>
Merge branch 'master' of github.com:jonezy/buildmymini.ca

Conflicts:
	MiniConfigurator/Public/j/app/modules/helpers.js

Signed-off-by: Chris Jones <chris@jonezy.org>