Integrated Migration3 into ffapi-import module.
Added quotation marks, changed artifactId.
Added ffSummarizedDir.json to repository.
Extended model for Freifunk Community nodes.
Imports ff-community-nodes with simple child-types.

On each plugin init(), for development purposes:
- all current community nodes in the DB are deleted
- all community nodes are newly created (atm: just with their simple types)

Navigating Freifunk Communities via "API Version" functional.
Fixed plugin directory name in README.
Moved DM plugin repo to folder dm4-freifunk-api.
Fetching API Directory via HTTP, removed dump from repo.

Note: You must be online to test drive the import process.

Navigating Freifunk Communities via "API Version" is functional.

Usage:
Open Webclient and search "By Type" for "Freifunk Community API Version"
and find related "Freifunk Communities" in the "Page Panel".
Revised this very basic model.

Note:
- You must be online to test drive the import process.
- Developed with DeepaMehta4 4.4-SNAPSPHOT revision be77b6391f7f8272a76023f68f728f7234e1e8a1
- Model is surely to revised and extended regarding all necessary queries.
Revised plugins importer code.
Fixes typo in ImportPlugin