Adds the InlineHyperlink widget, which is just like a Hyperlink, except that it
isn't wrapped with an outer div, so it lays out inline.

Issue 3056.

patch by: ajr
review by: rjrjr



git-svn-id: https://google-web-toolkit.googlecode.com/svn/releases/1.6@4241 8db76d5a-ed1c-0410-87a9-c151d255dfc7