These examples were originally written for the Developer Guide. This patch
imports them into the GWT javadoc examples package, fixes them up to
compile as a standalone source file and added references to them from
the NumberFormat and DateTimeFormat source.

Reported as issue 1895

Patch by: zundel
Review by: shanjian



git-svn-id: https://google-web-toolkit.googlecode.com/svn/trunk@1861 8db76d5a-ed1c-0410-87a9-c151d255dfc7