Merge monte-carlo branch. See LOG
Fixed cell.c,free NeighCandidates. Restored CheckMem script to repository.
In cdsubs.c, read_swap(), free indices at end of function.
Fix missing ';' in read_swap() indices=NULL
Complete mcswap example.
Remove test print statements. Initialize indicdes=NULL in cdsubs.c, read_swap().
Add info about documentation packages
Add new example for Monte Carlo with swapping
New MC tested, randchoice() fixed
New MC and SWAP commands tested and working