Bug 49117 [Plan Item] Workbench needs hooks for new welcome support
M6 We need to provide an extension point and some interfaces to allow for a primary feature to declare a welcome page. This extension point will be tied the new IProduct being defined by the Core team and needs to have 3 states 1) Fill whole screen 2) Collapsed on the right when the user selects something and starts working 3) Disables when it is no longer of any use
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/internal/ide/IDEWorkbenchAdvisor.java
int sev = markerDelta.getAttribute(IMarker.SEVERITY, -1);
				if (sev == IMarker.SEVERITY_ERROR || sev == IMarker.SEVERITY_WARNING) {
					return markerDelta.getMarker();
				}
			}
		}
		return null;
	}
	
	/**
	 * Temporarily disables auto build.
	 */
	private void disableAutoBuild() {
		IWorkspace workspace = ResourcesPlugin.getWorkspace();
		IWorkspaceDescription description = workspace.getDescription();
		
		
		autoBuild = description.isAutoBuilding();
		if (autoBuild) {
			description.setAutoBuilding(false);
			try {
				workspace.setDescription(description);
			} catch (CoreException exception) { 
				MessageDialog.openError(
					null, 
					IDEWorkbenchMessages.getString("Workspace.problemsTitle"),	
					IDEWorkbenchMessages.getString("Restoring_Problem"));		
			}
		}
	}