before merge
mergeE
Merge branch 'master' into youngmoon
streaming buffer without inter-task-barrier
streaming buffer works
before checkout
Merge branch 'master' of github.com:vicentebolea/MRR into youngmoon

Conflicts:
	src/orthrus/test/all_test
merged the cache
before swhitching into 2 layers
a static cache histogram
minor changes
before modifying writecount
before chaning the file write client
A bug fixed by adding memset
before changing bridge and fileclient structures
debugged completely after implementing buffering
implemented intermediate cache. little buggy
a bug(first record was cut) is fixed
fixed a buf(Imiss message was not dealt, fixed)
The vergion passed to yoga