Moving evaluateByMD5 and evaluateByModificationDate so they stay next
to evaluate.
add MechanicPreferences.contains.
Moved Preferences to interface, allowing for mocking. Fixed MD5
evaluation of tasks. Wrote a test!
More removal of OldMechanicPreferences. Stopping here.
Bump to version 0.3.4.
Merge branch 'master' of
https://code.google.com/a/eclipselabs.org/p/workspacemechanic/
Updating version and fixing update site URL
Merge