Implement FAS processing pipeline

[fabiolsilva]

Implement the FAS processing pipeline from the Broadband Platform. This task includes the addition of a number of modules from the Broadband Platform, and requires refactoring several codes in order to remove any code/module dependencies from the Broadband Platform. This task includes several steps:

• Add FAS processing code #3
• Add FAS GoF code to GMSVToolkit #4
• Add FAS plotting scripts #5
• Add FAS GoF plotting tool #6