added a few explanatory comments to the Makefile
added a few explanatory comments to the Makefile

Change-Id: I7fc4aaf4e31b00fba46d3dfbddfe74ed3618466e

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