Pascal Massimino 64a57d0587 add -version option to anim_dump,anim_diff and img2webp
This is to harmonize the -h/-version options on all our examples.

+ added GetAnimatedImageVersions() method to anim_util.*

Change-Id: I2304a1c29e310682e97f236d3867274a192a7a09
2018-04-03 11:46:17 -07:00
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2017-06-15 08:49:04 +00:00
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