Renamed soil base classes to have hyphens so they will correspond to output
from r.soils.texture.
Merge branch 'develop' of https://github.com/RHESSys/RHESSys into develop

Conflicts:
	util/params/params.sqlite
- Updated constructor: now can take a paramDB path as an argument.  It will
  also look for the default paramDB file in a location relative to the module
  path.  This enables code that includes the paramDB module to work when
  the paramDB is not in the current working directory