Update of beta Nbody6++

1. Update HDF5 output to support singles, binaries (including wide
binaries) and mergers output together with stellar evolution parameters;

2. Add OpenMP version Irregular, regular force and potential energy
calculation;
3. Fix several bugs;
4. Improve the output formats;
5. Use fast initialization method of primordial binaries;
6. Change the kick distribution sigma to 265 km/s due to Hobbs, 2005;
7. Reset the counters to zero after every output time to avoid integer
length overflow;
8. Add new timing for high velocity particle and unperturbed KS
9. Update configure scripts