Merge remote-tracking branch 'origin/master' into site

src/main/java/teetime/framework/pipe/SingleElementPipe.java

...java/teetime/framework/pipe/SingleElementPipeFactory.java

src/main/java/teetime/framework/pipe/SpScPipe.java

src/main/java/teetime/framework/pipe/SpScPipeFactory.java

...in/java/teetime/framework/pipe/UnorderedGrowablePipe.java

.../teetime/framework/pipe/UnorderedGrowablePipeFactory.java

src/main/java/teetime/stage/ByteArray2String.java

src/main/java/teetime/stage/Cache.java

src/main/java/teetime/stage/CipherByteArray.java

src/main/java/teetime/stage/Clock.java

src/main/java/teetime/stage/CollectorSink.java

src/main/java/teetime/stage/Counter.java

src/main/java/teetime/stage/ElementDelayMeasuringStage.java

...n/java/teetime/stage/ElementThroughputMeasuringStage.java

src/main/java/teetime/stage/EveryXthStage.java

src/main/java/teetime/stage/FileExtensionSwitch.java

src/main/java/teetime/stage/InitialElementProducer.java

src/main/java/teetime/stage/InstanceCounter.java

src/main/java/teetime/stage/InstanceOfFilter.java

src/main/java/teetime/stage/IterableProducer.java