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

.settings/edu.umd.cs.findbugs.core.prefs

conf/quality-config/pmd-ruleset.xml

.../quality-config/pmd/CustomPmdRules_1.0.0.201505130542.jar

.../quality-config/pmd/CustomPmdRules_1.0.0.201507080630.jar

pom.xml

src/changes/changes.xml

src/main/java/teetime/framework/AbstractCompositeStage.java

src/main/java/teetime/framework/AbstractConsumerStage.java

src/main/java/teetime/framework/AbstractInterThreadPipe.java

src/main/java/teetime/framework/AbstractIntraThreadPipe.java

src/main/java/teetime/framework/AbstractPipe.java

src/main/java/teetime/framework/AbstractPort.java

src/main/java/teetime/framework/AbstractProducerStage.java

src/main/java/teetime/framework/AbstractRunnableStage.java

src/main/java/teetime/framework/AbstractStage.java

src/main/java/teetime/framework/Configuration.java

src/main/java/teetime/framework/ConfigurationContext.java

src/main/java/teetime/framework/DynamicActuator.java

src/main/java/teetime/framework/DynamicInputPort.java

src/main/java/teetime/framework/DynamicOutputPort.java