Added a faster data retrieval method for pushing genotyping QC data back to the browser

This method executes SQL on the database without going through the
model. It cuts response time by half. The downside is, we have plain SQL
to deal with. The efficiency gain may not be worth the effort.
Added design_id to the extJS grid for Plate Genotyping QC Results View
Added design_id datum item to model data retrieval for Genotyping QC Results View

This is the retrieval method that uses the model (DBIx Class) for data
retrieval.
Fixed fast browse issue missing smoe data off the structure returned to the browser
Corrected references to primer_band_update method and added tr_pcr band to list to be processed
Added support for gene symbols in genotyping QC grid