Fix writeBarrier

ref_count++ first
in case dst == obj
Push type to op_stack and writeBarrier
Scheduler
Ready for real-time rc gc
Ready for Re-initialization
Re-enable java
Trace code
Fix pop order
Fix iinc
More debug
writeBarrier at popping array object: iastore
Trace code
Remove clean from ant build.xml default
anewarray, aastore (tmp)
Fix aastore writeBarrier bug
Fix aastore writeBarrier bug
Heavy LinkedList test
rdtsc test
Add out.txt to .gitignore