Added a test for the genetic algorithm.
Fixed ConfigWriter to output database configuration.
Fixed ConfigurationImpl so it copies the database.
Fixes to the integration tests.
Added integration test for DebugCompare.
Added StripNontextCharacters. Made LowerCaseNormalizer slightly more
sophisticated.
Merge branch 'master' of github.com:larsga/Duke into evolution-strategies-experiments

Conflicts:
Merging with master.	buildNumber.properties