Move Sample fields into metadata

[joshsadam]

Describe your idea for a new feature

Currently organism details (organism, isolate, strain) and collection information (Collected By, Date Collected, Isolation Source, Geographic Location, Latitude, Longitude) are directly saved to the sample.  

Describe how you would access this feature?

All metadata associated with a sample should be accessed through the metadata.

Additional information

Existing sample details need to be migrated to the metadata.