Added Pipe library
Added Pipe library

Change-Id: I5169439c5d4ebada9429ae9cbd7124a198dcc032

hanw/connectal,chenm001/connectal,cambridgehackers/connectal,cambridgehackers/connectal,hanw/connectal,csail-csg/connectal,chenm001/connectal,csail-csg/connectal,csail-csg/connectal,cambridgehackers/connectal,8l/connectal,8l/connectal,cambridgehackers/connectal,8l/connectal,cambridgehackers/connectal,csail-csg/connectal,8l/connectal,chenm001/connectal,hanw/connectal,chenm001/connectal,hanw/connectal,chenm001/connectal,8l/connectal,hanw/connectal,csail-csg/connectal