support for Intel PCM
Fixing conflicts
GraphX clique counting
Minor update of clique counting
Renamed graphx_clique_counting to graphx (all algos will be in the same directory
Benchmarking infrastructure, code for socialite queries, triangle counting on postgres
Some more benchmarking stuff
Better benchmarks, misc changes
c++11 threads
Triangle Counting working.  Trying to port in cylces and cliques.
Cliques working.
Cycle counting now working.
Merged in new threading policy. C++ threads are now used.
Merged with master.