Adds a gwt-compiler subproject and build rules.

This subproject ensures that a compiler core is buildable without including hosted mode infrastructure.  This could be useful in the future for things like embedding the GWT compiler into a server or other tools.

Review by: bobv


git-svn-id: https://google-web-toolkit.googlecode.com/svn/trunk@5875 8db76d5a-ed1c-0410-87a9-c151d255dfc7
4 files changed