ELECTRON-1170 - Update unpack scripts and bump electron-spellchecker to v2.0.0
ELECTRON-1170 - Update unpack scripts and bump electron-spellchecker to v2.0.0

KiranNiranjan/SymphonyElectron,VishwasShashidhar/SymphonyElectron,KiranNiranjan/SymphonyElectron,VishwasShashidhar/SymphonyElectron,KiranNiranjan/SymphonyElectron,VishwasShashidhar/SymphonyElectron,VishwasShashidhar/SymphonyElectron,KiranNiranjan/SymphonyElectron