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

...rg/xnat/event/listeners/AutomationEventScriptHandler.java

.../java/org/nrg/xnat/helpers/prearchive/PrearcDatabase.java

...org/nrg/xnat/restlet/actions/AutomationBasedImporter.java

...org/nrg/xnat/turbine/modules/actions/PlexiViewerSpec.java

...rg/nrg/xnat/turbine/modules/actions/ShowViewerAction.java

...main/java/org/nrg/xnat/turbine/modules/screens/Login.java

...ain/java/org/nrg/xnat/turbine/modules/screens/Viewer.java

...java/org/nrg/xnat/turbine/modules/screens/ViewerHelp.java

...g/nrg/xnat/turbine/modules/screens/XDATScreen_themes.java

src/main/resources/META-INF/xnat/init_security_000.sql

.../resources/META-INF/xnat/spawner/site-admin-elements.yaml

...ources/config/features/xnat-feature-definition.properties

src/main/webapp/PlexiViewerSpec.xml

src/main/webapp/WEB-INF/tags/page/xnat.tag

src/main/webapp/WEB-INF/tags/spawner/layout.tag

src/main/webapp/applet/DicomEdit-4.0.0.jar.pack.gz

src/main/webapp/applet/DicomEdit__V4.0.0.jar

src/main/webapp/applet/DicomEdit__V4.0.0.jar.pack.gz

src/main/webapp/applet/DicomUtils-1.3.1.jar.pack.gz

src/main/webapp/applet/DicomUtils__V1.3.1.jar