Create a user and development guide for low-level databases

MANIFEST.in

bob/db/base/tests/sample/__init__.py

bob/db/base/tests/sample/data/dir1/sample1-1.png

bob/db/base/tests/sample/data/dir1/sample1-1.txt

bob/db/base/tests/sample/data/dir1/sample1-2.png

bob/db/base/tests/sample/data/dir1/sample1-2.txt

bob/db/base/tests/sample/data/dir2/sample2-1.png

bob/db/base/tests/sample/data/dir2/sample2-1.txt

bob/db/base/tests/sample/data/dir2/sample2-2.png

bob/db/base/tests/sample/data/dir2/sample2-2.txt

bob/db/base/tests/sample/data/dir3/sample3-1.png

bob/db/base/tests/sample/data/dir3/sample3-1.txt

bob/db/base/tests/sample/data/dir3/sample3-2.png

bob/db/base/tests/sample/data/dir3/sample3-2.txt

bob/db/base/tests/sample/driver.py

bob/db/base/tests/sample/models.py

bob/db/base/tests/sample/query.py

develop.cfg

doc/development-guide.rst

doc/extra-intersphinx.txt