Add inital SourceInfo tracking to the GWT compiler to support Story Of Your Compile work.
 - Adds SourceInfo to JsNode contsructor and all JsNode types
 - SourceInfo objects must be constructed via JProgram or JsProgram
 - Add a sample, temporary report generator

Patch by: bobv
Review by: spoon


git-svn-id: https://google-web-toolkit.googlecode.com/svn/trunk@3684 8db76d5a-ed1c-0410-87a9-c151d255dfc7
100 files changed