Bug 183733 Implement the IScriptOjectClassInfo to provide the class infromation to support the JS code assistant.
Engine should implement the IScriptObjectClassInfo interface to return the class information for script object.
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/executor/ExecutionContext.java
{
		DesignElementHandle element;
		ArrayList exList = new ArrayList( );
		ArrayList countList = new ArrayList( );
		public ElementExceptionInfo( DesignElementHandle element )
		{
			this.element = element;
		}
		public void addException( BirtException e )
		{
			for ( int i = 0; i < exList.size( ); i++ )
			{
				BirtException err = (BirtException) exList.get( i );
				if ( e.getErrorCode( ) != null
						&& e.getErrorCode( ).equals( err.getErrorCode( ) )
						&& e.getLocalizedMessage( ) != null
						&& e.getLocalizedMessage( ).equals(
								err.getLocalizedMessage( ) ) )
				{
					countList.set( i, new Integer( ( (Integer) countList
							.get( i ) ).intValue( ) + 1 ) );
					return;
				}
			}
			exList.add( e );
			countList.add( new Integer( 1 ) );
		}
		public String getType( )
		{