import colored langevin thermostat package from michele ceriotti

this is the unmodified patch without testing its functionality.
Merge branch 'lammps-icms' into cle-orig
Merge branch 'lammps-icms' into cle-orig
Merge branch 'lammps-icms' into cle-orig
Merge branch 'lammps-icms' into cle-orig
Merge branch 'cle-orig' of bitbucket.org:akohlmey/lammps-icms into cle-orig
Merge branch 'lammps-icms' into cle-orig
Merge branch 'lammps-icms' into cle-orig
git-svn-id: svn://svn.icms.temple.edu/lammps-ro/trunk@12234 f3b2605a-c512-4ea7-a41b-209d697bcdaa
git-svn-id: svn://svn.icms.temple.edu/lammps-ro/trunk@12235 f3b2605a-c512-4ea7-a41b-209d697bcdaa
git-svn-id: svn://svn.icms.temple.edu/lammps-ro/trunk@12236 f3b2605a-c512-4ea7-a41b-209d697bcdaa
git-svn-id: svn://svn.icms.temple.edu/lammps-ro/trunk@12237 f3b2605a-c512-4ea7-a41b-209d697bcdaa
git-svn-id: svn://svn.icms.temple.edu/lammps-ro/trunk@12238 f3b2605a-c512-4ea7-a41b-209d697bcdaa
git-svn-id: svn://svn.icms.temple.edu/lammps-ro/trunk@12239 f3b2605a-c512-4ea7-a41b-209d697bcdaa
git-svn-id: svn://svn.icms.temple.edu/lammps-ro/trunk@12240 f3b2605a-c512-4ea7-a41b-209d697bcdaa
git-svn-id: svn://svn.icms.temple.edu/lammps-ro/trunk@12241 f3b2605a-c512-4ea7-a41b-209d697bcdaa
git-svn-id: svn://svn.icms.temple.edu/lammps-ro/trunk@12242 f3b2605a-c512-4ea7-a41b-209d697bcdaa
git-svn-id: svn://svn.icms.temple.edu/lammps-ro/trunk@12243 f3b2605a-c512-4ea7-a41b-209d697bcdaa
git-svn-id: svn://svn.icms.temple.edu/lammps-ro/trunk@12244 f3b2605a-c512-4ea7-a41b-209d697bcdaa
git-svn-id: svn://svn.icms.temple.edu/lammps-ro/trunk@12245 f3b2605a-c512-4ea7-a41b-209d697bcdaa