docs/nanshe.nanshe.rst: Removed as no longer relevant.
docs/nanshe.tests.rst: Removed as no longer relevant.
docs/index.rst: Added name nanshe to documentation.
docs/index.rst: Generalized to include all documented modules present. Makes it more resilient to refactoring and renaming.
docs/Makefile: Modified clean to delete all rst files except index.rst.
docs/make.bat: Modified clean to delete all rst files except index.rst.