added wishnu's mutations

Equivalent mutations/MinsMaxs.java

Equivalent mutations/Mutants/MinsMaxs_R1.java

Equivalent mutations/Mutants/MinsMaxs_R2.java

Equivalent mutations/Mutants/MinsMaxs_R3.java

Equivalent mutations/Mutants/Normalizer_R1.java

Equivalent mutations/Mutants/Normalizer_R2.java

Equivalent mutations/Mutants/Normalizer_R3.java

Equivalent mutations/Mutants/Normalizer_R4.java

Equivalent mutations/Mutants/Vector_R1.java

Equivalent mutations/Mutants/Vector_R2.java

Equivalent mutations/Mutants/Vector_R3.java

Equivalent mutations/Normalizer.java

Equivalent mutations/Vector.java