Tweaked pom and .gitignore; added log4j properties.
Cleaned up dependencies; instantiates LMDirichletSimilarity without going through Solr.
Fixed unnecessary string parsing into ints/longs.
Bumped up memory in appassembler scripts.
Updated HISTORY
Merge branch 'working'
[maven-release-plugin] prepare release twitter-tools-core-1.4.1