Merge remote-tracking branch 'origin/ploty2' into V4.0

ChangeLog

pom.xml

src/main/java/fr/ill/ics/bridge/ChangeManager.java

src/main/java/fr/ill/ics/core/property/DynamicProperty.java

src/main/java/fr/ill/ics/core/property/PropertyManager.java

src/main/java/fr/ill/ics/nscclient/ploty/PlotyInstance.java

...in/java/fr/ill/ics/nscclient/ploty/PlotyNotification.java

...ava/fr/ill/ics/nscclient/ploty/SpyPlotChangeListener.java

...ics/nscclient/sessionmanagement/ServerSessionManager.java

src/main/java/fr/ill/ics/ploty/DataPlotMessages.java

src/main/java/fr/ill/ics/util/ConfigManager.java