Add rbiggs' issue on gradient notation

Author: fantasai

css3-images/lc-issues-1.txt

@@ -8,3 +8,11 @@ Response: http://lists.w3.org/Archives/Public/www-style/2012Jan/0617.html
 Closed:   Rejected
 Verified: http://lists.w3.org/Archives/Public/www-style/2012Jan/0635.html
 ----
+Issue 1.
+Summary:  Don't use prepositions in gradients
+From:     Robert Biggs
+Comment:  http://lists.w3.org/Archives/Public/www-style/2012Jan/0720.html
+Response: 
+Open
+Verified: 
+----