Move /apps within toolbox/apps

[bpancras]

Create the toolbox folder under the toolbox root.

Within the toolbox folder create the apps folder and move files with .mlappinstall extension. FSDA Toolbox has the following .mlappinstall files:

brushFAN.mlappinstall
brushRES.mlappinstall
brushROB.mlappinstall

Caution- files impacted

1. Apps PRJ- to point to the correct path of files that do the computation
2. Toolbox packaging PRJ- change the path to app files