Add  sql samples to query bp requirements
Load blue print name and output from db
Load blueprint base materials from db
Use mock for unittest instead of real db
Rename scheme -> schema
Use GetInputs and GetOutputs instaed of inputs and outputs fields
Load navitas bp from db
Load process icon
Add icons for inputs/outputs
Some process render tweaks
Use obelisc as sample production line
Add refine process, use bezie for connections