Added lga alias and fixed grammar
Detect if an mp4 is corrupt
First swing at an automated scriptable browser
This is essentially a refactoring of compareDirs.js into 3 seperate phases

scanFolder.js - scans a drive recursively and creates a json file describing the files therein
compareScans.js - compares two json scan files from scanFolder and creates a json diff file
analyzeScans.js - analyzes a json diff file to detect relocations