Print out time for only linkage part

See #13.
Parallel version of KMeans

See #13.
Parallel version of MolDyn

See #13.
Parallel version of MonteCarlo

See #13.
Parallel version of RayTracer

See #13.
Parallel version of Lire

See #13.
Parallel version of Jbzip2

See #13.
Parallel version of Duke

See #13.