Fixed two problems pointed out by Himanshu Gupta
Fixed the compilation problem of test/Makefile
Update warpheap.h

Fixed the bug introduced from last version.
Update xadaptheap.h

Change xadaptheap.h to fix the bug fix.
Update word_count-pthread.c

change something to make it work on dthreads
Merge pull request #2 from plasma-umass/master

Latest updates on plasma fork.