general documentation still in progress
Merge commit '8f6084a' into mandoc
Merge commit '2762a10' into mandoc
transformed doc string in dal modules to use astropy/sphynx markup
transformed doc string in registry,nameresolver modules to use astropy/sphynx markup
data_access.rst: minor tweaks (still in progress)
Merge pull request #25 from RayPlante/mandoc

transformed doc strings to use Astropy/Sphinx markup