Port: a bunch of Util test classes
Port: more util unit tests
Port: csproj checkin
Port: more util unit tests
Port: more util test classes
Port: csproj check in
Port: unit tests. more from util namespace
Port: csproj checkin
Port: more util test classes
Merge remote-tracking branch 'jamesblair/lucene_4_3_0' into lucene_4_3_0