Merge pull request #40 from RayPlante/quickdev

updated README.rst (examples & unit tests sections)
issue #37: registry: added AND/OR control to search()
Merge pull request #41 from RayPlante/regandor

issue #37: registry: added AND/OR control to search()
issue #37: registry: fix NeedsNet test
Merge pull request #42 from RayPlante/regandor

issue #37: registry: fix NeedsNet test
Issue #34 fix: accept any dict-like object (like a SimpleResurce);
   change RegistryService.description to info (avoid confusion w/reg md)
description->info: fix other dal tests
Merge pull request #43 from RayPlante/svcobj34

closes issue #34
for SimpleResource.describe(): added formatting routines
for SimpleResource.describe(): moved formatting routines to query.py
added DALService.describe()