VanirUpdater: Materialize

This commit is based on "CMUpdater : Materialize" from Michael Bestas
Original Commit:
http://review.cyanogenmod.org/#/c/80305/

PS2: typo
PS3: Whitespaces and tabs
PS4: more tabs

Change-Id: Iabb5a1aca5e650e2406e95f52c741dfd9a9be962