Bug 166162 Enhance BIRT configuration deployment setting dialog when import BIRT runtime component.[0603]
Description: Enhance BIRT configuration deployment setting dialog when import BIRT runtime component. Build number:2.2.0.v20061129 Steps to reproduce: 1. New a BIRT WTP project. 2. Select it and import BIRT runtime component. Expected result: provide an option to check whether user want to reconfigure web.xml or just keep the original setting untouched. Actual result: User has to input the context parameter values in BIRT configuration deployment setting dialog again and confirm that whether they will rewrite the web.xml file. Error log:N/A
viewer/org.eclipse.birt.integration.wtp.ui/src/org/eclipse/birt/integration/wtp/ui/internal/actions/ImportBirtRuntimeAction.java
* 
		 * @param resource
		 * @exception CoreException
		 */
		public boolean visit( IResource resource ) throws CoreException
		{
			if ( resource instanceof IFile )
			{
				IFile file = (IFile) resource;
				if ( file == null || files == null )
					return true;
				Iterator it = files.iterator( );
				while ( it.hasNext( ) )
				{
					String name = (String) it.next( );
					if ( name != null && file.getName( ).startsWith( name ) )
					{
						file.delete( true, monitor );
						break;
					}
				}
			}
			return true;
		}
	}
	/**
	 * Implement IOverwriteQuery for importing process
	 * 
	 */
	private class ImportOverwriteQuery implements IOverwriteQuery