Formalize the LinkDatabase concept

[larsga]

From [email protected] on November 04, 2011 11:18:03

Need to lift the whole LinkDatabase concept up to a higher lever, formalize it, and integrate it properly into the whole architecture. Need more LinkDatabase implementations, too.

Original issue: http://code.google.com/p/duke/issues/detail?id=50

[larsga]

From [email protected] on November 06, 2011 04:54:18

One part of this would be to turn the test file concept into an InMemoryLinkDatabase.