Fix a bug in htable.c
Add statistics of live container number
Add htable_delete()
Add garbage collection module.
Add statistics of GC
fix a bug in append_phase.c
add experimental scripts
destor.config
experiments
vmdk_rewrite.sh
Accelerate simulating ASM
fix bugs in scripts
Sample index is added.
destor.config
rename scripts/experiment
experiments_compatible/
rebuild
memory overhead
add measure of index performance
estimate the throughput of fingerprint index.