Add a new flow component

• $LVG_SRC/Lib/Flow.java:
  • Declare a final int XXX in ./Lib/Flow.java
  • Define full and short names for XXX in ./Lib/Flow.java
  • Update hte value of MAX_FLOW (+1)

• $LVG_SRC/Flows/ToXXX.java:
  • Create a new class ToXxx.java under director ./Flows and make it extends Transformation class
  • Declare the INFO in ToXxx.java
  • Edit Mutate to perform desired function in ToXxx.java
  • Provide the test driver in main( ) of ToXxx.java