Currently there's no links from the index page
Tidying while reading
This directory and script has gone away
Blueprints move to their own module
Make partialcommit available as blueprint step
Update with current location of blueprint

Also fix typo, parameter constraint.
Fix references to module, fix typo

s/tranmogrifier/transmogrifier/
s/collective.blueprint.jsonmigrator/collective.jsonmigrator.workflowhistory/
Merge pull request #4 from jean/master

Fix PartialCommit, fix module references, link to sub-pages from the index, and tidying