Implementation of ClassValue for bck2brwsr
Moving the ClassValue to proper place
Bringing in ClassValue implementation
Compare tests for ClassValue
Adding JDK implementation of ClassValue
Another check against missing manifest
More defensive checks shielding against JARs without manifest
Enough to have one bck2brwsr.js in the vm directory
We need to keep Function.Ax classes in the VM
Hardcoding that Array.push is using varargs