Removed older version of openbabel from our code.  We now have a
configure check to see if openbabel is installed and then we link to
the stuff we need.  Conversion to OOPSE's md format is handled by only
one application (atom2md), so most of the work went on there.
ElementsTable still needs some work to function in parallel.

Bug fixes for non-declared objects

Massive changes for GB code with multiple ellipsoid types (a la
Cleaver's paper).

Also, changes in hydrodynamics code to make HydroProp a somewhat
smarter class (rather than just a struct).

replace double with RealType

Adding single precision capabilities to c++ side

adding a gay-berne switch to Dump2XYZ

Adding spherical boundary conditions to LD integrator

Many performance improvements

update writeBeads method

Fix a bug in friction calculation for ellipsoid

New version of Hydro is working now.

LagevinDynamics is working?

unit conversion for diffusion tensor is wrong

correcting the unit in HydrodynamicsModel

adding hydrodynamics module into build system

fix bugs in HydrodynamicsModel; (1) sign issue of Xirr calculation (2) out product of Rij

Adding Hydrodynamics Module