Added countdown progress listener#2

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manukmisra wants to merge 2 commits intoIvanRF:masterfrom

manukmisra:feature/adding-progress-listener

Commits on Sep 14, 2017

Added count down progress listener and it's corresonding notification

Manu Misra
authored and
Manu Misra
committed
Formatting changes
manukmisra
authored