Bug 187213 Provid a writer to serialize design in document without any white space.
Add a new writer for serialize design in document without any withe space.
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/util/XMLWriter.java
{
			out.write( 0xEF );
			out.write( 0xBB );
			out.write( 0xBF );
		}
		if ( UnicodeUtil.SIGNATURE_UNICODE_BIG.equals( signature ) )
		{
			out.write( 0xFE );
			out.write( 0xFF );
		}
		if ( UnicodeUtil.SIGNATURE_UNICODE_LITTLE.equals( signature ) )
		{
			out.write( 0xFF );
			out.write( 0xFE );
		}
		if ( UnicodeUtil.SIGNATURE_UCS4_BIG.equals( signature ) )
		{
			out.write( 0x00 );
			out.write( 0x00 );
			out.write( 0xFE );
			out.write( 0xFF );
		}
		if ( UnicodeUtil.SIGNATURE_UNICODE_LITTLE.equals( signature ) )
		{
			out.write( 0x00 );
			out.write( 0x00 );
			out.write( 0xFF );
			out.write( 0xFE );
		}
	}