[LMS-2233] integrated gwt-debug-panel with openBIS

openbis/.classpath

openbis/build/build.xml

...systemsx/cisd/openbis/OpenBIS-without-entry-point.gwt.xml

...ent/web/client/application/AbstractPluginViewContext.java

...openbis/generic/client/web/client/application/Client.java

...eric/client/web/client/application/CommonViewContext.java

...s/generic/client/web/client/application/IViewContext.java

...eric/client/web/client/application/framework/AppView.java

...t/web/client/application/framework/DebugPanelManager.java

...is/source/java/ch/systemsx/cisd/openbis/public/index.html

...ystemsx/cisd/openbis/public/resources/css/debug-panel.css