[kaffe] Patch: Merge of Classpath glue code for assertion framework

[Benja Fallenstein]

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Hi,

today I had a problem with a dependency using log4j, because log4j would 
try to use Class.desiredAssertionStatus() -- a 1.4 method that is part 
of the assertion framework. Since the library I depended on initialized 
log4j statically, my test suite wouldn't even start. To fix the problem, 
I merged the corresponding GNU Classpath code into Kaffe-- not actually 
implementing the whole assertion framework though, just the methods in 
Class and ClassLoader :-)

I was hoping this could be useful for Kaffe?

- Benja

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