Update README.md

PILE-TransOnly
==============

TEST REPOSITORY - (C) MMTK . PILE thermostat with COM translation only. Compatible with PIMC for rigid body rotation.

TO INSTALL:

1. Copy the .pyx file into the Src/ directory of your current MMTK folder.
2. Add the following extension to setup.py of the main MMTK

  Extension('MMTK_COM_PINormalModeIntegrator',
                                  ['Src/MMTK_COM_PINormalModeIntegrator.%s' % src_ext],
                                  extra_compile_args = compile_args,
                                  include_dirs=include_dirs,
                                  libraries=libraries + ['/Users/mdgschmi/Dev/lib/fftw3'],
                                  define_macros=macros),

TO IMPLEMENT INTO YOUR PRODUCTION CODE:

1. Add the following line in your header:
   from MMTK_COM_PINormalModeIntegrator import COM_PILangevinNormalModeIntegrator