Add structure for tutorial

Signed-off-by: Doug Hellmann <doug.hellmann@dreamhost.com>
add docs about names and namespaces

Signed-off-by: Doug Hellmann <doug.hellmann@dreamhost.com>
Add tutorial section on creating plugins

Expand and reorg the naming discussion.

Add a section on the mechanics of creating plugins,
with some tested example code.

Signed-off-by: Doug Hellmann <doug.hellmann@dreamhost.com>
Add example of loading as a driver

Create an example program to load the formatters
from the tutorial as a driver and print some data.

Update run_sphinx to watch .txt files.

Signed-off-by: Doug Hellmann <doug.hellmann@dreamhost.com>
remove line number references

Signed-off-by: Doug Hellmann <doug.hellmann@dreamhost.com>
finish tutorial section on loading plugins

Signed-off-by: Doug Hellmann <doug.hellmann@dreamhost.com>
add reference to test class

Signed-off-by: Doug Hellmann <doug.hellmann@dreamhost.com>
doc cleanup

Signed-off-by: Doug Hellmann <doug.hellmann@dreamhost.com>
Merge branch 'add-tutorial'