Removed old commented entries.
Moved parameters to match SHMS DC files.
Added data from survey C1768.

Reordered SHMS DC parameter files.

Updated README and general.param to match changes.

- Fixed some parameters.
- Reformated files.
- Moved some parameters from `pcana.param`.
- Reformated `README.md` in order for pandoc to correctly do nested lists.

Filled in information about drift chamber parameters. It can serve
as a template for other good people :)