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/writer/IndentableXMLWriter.java
{
	/**
	 * Maximum characters in one line.
	 */
	protected final static int MAX_CHARS_PER_LINE = 80;
	/**
	 * Platform-independent line separator.
	 */
	public static final String LINE_SEPARATOR = "\n"; 
	/**
	 * The indent space.
	 */
	protected static final String TAB = "    "; 
	/**
	 * The indents which are cached for writing.