[meta] Add Previous Versions

Author: tabatkins

css-align-3/Overview.bs

@@ -9,6 +9,7 @@ ED: https://drafts.csswg.org/css-align/
 TR: https://www.w3.org/TR/css-align-3/
 Editor: Elika J. Etemad / fantasai, Invited Expert, http://fantasai.inkedblade.net/contact, w3cid 35400
 Editor: Tab Atkins Jr., Google, http://xanthir.com/contact/, w3cid 42199
+Previous Version: https://www.w3.org/TR/2017/WD-css-align-3-20170906/
 Previous Version: https://www.w3.org/TR/2017/WD-css-align-3-20170720/
 Previous Version: https://www.w3.org/TR/2017/WD-css-align-3-20170515/
 Previous Version: https://www.w3.org/TR/2017/WD-css-align-3-20170407/

css-backgrounds-3/Overview.bs

@@ -9,6 +9,7 @@ Level: 3
 Group: csswg
 ED: https://drafts.csswg.org/css-backgrounds/
 TR: https://www.w3.org/TR/css-backgrounds-3/
+Previous Version: https://www.w3.org/TR/2017/CR-css-backgrounds-3-20171017/
 Previous version: https://www.w3.org/TR/2014/CR-css3-background-20140909/
 Editor: Bert Bos, W3C, bert@w3.org, w3cid 3343
 Editor: Elika J. Etemad / fantasai, Invited Expert, http://fantasai.inkedblade.net/contact, w3cid 35400

css-color-4/Overview.bs

@@ -3,6 +3,8 @@ Title: CSS Color Module Level 4
 Status: ED
 Work Status: Exploring
 ED: https://drafts.csswg.org/css-color/
+TR: http://www.w3.org/TR/css-color-4/
+Previous Version: http://www.w3.org/TR/2016/WD-css-color-4-20160705/
 Shortname: css-color
 Group: csswg
 Level: 4

css-logical-1/Overview.bs

@@ -3,7 +3,6 @@ Title: CSS Logical Properties and Values Level 1
 Shortname: css-logical
 Level: 1
 Status: FPWD
-Date: 2017-05-16
 Work Status: Revising
 Group: csswg
 ED: https://drafts.csswg.org/css-logical/

css-scroll-snap-1/Overview.bs

@@ -5,6 +5,7 @@ Shortname: css-scroll-snap
 TR: https://www.w3.org/TR/css-scroll-snap-1/
 Level: 1
 Status: ED
+Previous Version: https://www.w3.org/TR/2017/CR-css-scroll-snap-1-20170824/
 Previous Version: https://www.w3.org/TR/2017/CR-css-scroll-snap-1-20170209/
 Previous Version: https://www.w3.org/TR/2016/CR-css-scroll-snap-1-20161020/
 Previous Version: https://www.w3.org/TR/2016/WD-css-scroll-snap-1-20160623/

css-shapes-1/Overview.bs

@@ -7,6 +7,7 @@ Level: 1
 Group: csswg
 TR: https://www.w3.org/TR/css-shapes/
 ED: https://drafts.csswg.org/css-shapes/
+Previous Version: http://www.w3.org/TR/2014/CR-css-shapes-1-20140320/
 Editor: Vincent Hardy, Adobe Systems, Inc., vhardy@adobe.com
 Editor: Rossen Atanassov, Microsoft Corporation, ratan@microsoft.com, w3cid 49885
 Editor: Alan Stearns, Adobe Systems, Inc., stearns@adobe.com, w3cid 46659