- Added methods to explicitly control loggable types.
- Improved log comparison; it's all String-based now and is thrown as part of a failed assertEquals
- Synchronized isLoggable() with what's actually logged.
- Asserts that all expected log entries are actually loggable.

Patch by: spoon, scottb (pair prog)


git-svn-id: https://google-web-toolkit.googlecode.com/svn/trunk@2214 8db76d5a-ed1c-0410-87a9-c151d255dfc7