BZ #147: CACAO should provide weak references

Status fields:

creation_ts:2010-11-16 23:06
component:native
version:default branch
rep_platform:All
op_sys:All
bug_status:NEW
reporter:stefan@complang.tuwien.ac.at 
Boehm GC seems to be capable of providing the required semantics of java.lang.ref.*,
using GC_general_register_disappearing_link.