adopted api changes (Merged AbstractStage)

src/main/java/teetime/framework/Pipeline.java

...n/java/teetime/stage/io/filesystem/Dir2RecordsFilter.java

.../io/filesystem/format/binary/DirWithBin2RecordFilter.java

.../io/filesystem/format/text/file/DatFile2RecordFilter.java

...time/examples/recordReader/RecordReaderConfiguration.java

...traceReading/TcpTraceLoggingExtAnalysisConfiguration.java

...mples/traceReconstruction/TcpTraceReconstructionConf.java

...examples/traceReconstruction/TraceReconstructionConf.java

...pTraceReconstructionAnalysisWithThreadsConfiguration.java

...ds/TcpTraceReductionAnalysisWithThreadsConfiguration.java

src/test/java/dummy

...va/teetime/stage/io/filesystem/Dir2RecordsFilterTest.java