Updated from icon to png image.
Merge remote-tracking branch 'upstream/release-6.6.3.a1' into release-6.6.3.a1

* upstream/release-6.6.3.a1:
Merge pull request #1651 from anilgooru/release-6.6.3.a1

Updated from icon to png image.
Merge pull request #1652 from Gooru/release-6.6.3.a1

Updated from icon to png image.