- Removed #if 0 code in genproxy.c and elsewhere.
- Used jlong_* macros for portability (and defined in xpjava.h if not
elsewhere)
- Commented out calls to PR_Atomic{In,De}crement in JSSample.cpp, and began
to use "official" XPCOM macros.
- Removed Java interfaces for test components; will be autogenerated by
xpidl and/or genproxy.
- Extend genproxy to generate interfaces.
- Updated README with note on the jni.h problem