clean up

Makefile

-  # the compiler: gcc for C program, define as g++ for C++
 CC = g++
-
-  # compiler flags:
-  #  -g    adds debugging information to the executable file
-  #  -Wall turns on most, but not all, compiler warnings
-  #-I
 CFLAGS  = -g  -Wall -std=c++11
-
-  # the build target executable:
 TARGET = smrtlink
 
 all: $(TARGET)