Allow solGS to use results from Mixed Models

[chris263]

Expected Behavior

• Mixed Model is flexible to build different models and then generate blups and adjusted means. The purpose is to make blups available to solgs. Then, solgs will be able to train models for GS using blups.
• The advantage to run in this way is the flexibility to build models, specially adding spacial correction.

For Bugs:

Environment

Steps to Reproduce