Added DCD reader to python wrapper
Added DCD parser code
Added DCD trajectory files. Can interface with python, working on interfacing with the DCD parser
Added header reader wrapping, and error checking
Added header reader and step readers for DCD trajectory files
fixed so that it works with python correctly, still need to check that it is reading the file as I expect.  Still need to finish set the information, and reading in the first frame
switched the order of the DCD include
push version