Updated to GXT 2.3.0
Merge branch 'master' of https://github.com/senseobservationsystems/commonsense-frontend

Conflicts:
	.gitignore
Merge branch 'master' into develop

Conflicts:
	.gitignore
	src/nl/sense_os/commonsense/main/Main.gwt.xml
	src/nl/sense_os/commonsense/main/client/environments/component/GxtEnvironmentGrid.java
	src/nl/sense_os/commonsense/main/client/groupmanagement/component/GxtGroupGrid.java
	src/nl/sense_os/commonsense/main/client/groups/create/GroupCreateView.java
	src/nl/sense_os/commonsense/main/client/gxt/util/SensorGroupRenderer.java
	src/nl/sense_os/commonsense/main/client/sensormanagement/component/GxtSensorGrid.java
	src/nl/sense_os/commonsense/main/client/sensors/share/SensorShareDialog.java
	src/nl/sense_os/commonsense/main/client/states/connect/StateConnecter.java
	src/nl/sense_os/commonsense/main/client/states/create/StateCreator.java
	src/nl/sense_os/commonsense/main/client/states/edit/StateEditor.java
	src/nl/sense_os/commonsense/main/client/visualization/component/timeline/TimelineVisualization.java
	src/nl/sense_os/commonsense/main/client/viz/choice/VizTypeChooser.java
	src/nl/sense_os/commonsense/main/client/viz/data/ProgressDialog.java
	src/nl/sense_os/commonsense/main/client/viz/panels/map/MapPanel.java
	src/nl/sense_os/commonsense/main/client/viz/tabs/VizMainController.java
	src/nl/sense_os/commonsense/main/public/gxt/css/gxt-all.css
	war/WEB-INF/lib/gwt-links-graph.jar
	war/WEB-INF/lib/gwt-links-timeline.jar
	war/WEB-INF/lib/gwt-visualization.jar
Fixed bug in using the new graph library