Adds dependency information to SOYC reports, so it is clear why
methods that are in the initial download are included there.

This is a merge from /changes/spoon/soyc-withdeps .

Patch by: kprobst
Review by: spoon



git-svn-id: https://google-web-toolkit.googlecode.com/svn/trunk@5006 8db76d5a-ed1c-0410-87a9-c151d255dfc7