Bug 86326 Java editor should override getOrientation()
M5 Java editors are unreadable in RTL so we should make them always LTR.
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/javaeditor/JavaEditor.java
fStickyOccurrenceAnnotations= store.getBoolean(PreferenceConstants.EDITOR_STICKY_OCCURRENCES);
		fMarkTypeOccurrences= store.getBoolean(PreferenceConstants.EDITOR_MARK_TYPE_OCCURRENCES);
		fMarkMethodOccurrences= store.getBoolean(PreferenceConstants.EDITOR_MARK_METHOD_OCCURRENCES);
		fMarkConstantOccurrences= store.getBoolean(PreferenceConstants.EDITOR_MARK_CONSTANT_OCCURRENCES);
		fMarkFieldOccurrences= store.getBoolean(PreferenceConstants.EDITOR_MARK_FIELD_OCCURRENCES);
		fMarkLocalVariableypeOccurrences= store.getBoolean(PreferenceConstants.EDITOR_MARK_LOCAL_VARIABLE_OCCURRENCES);
		fMarkExceptions= store.getBoolean(PreferenceConstants.EDITOR_MARK_EXCEPTION_OCCURRENCES);
		fMarkImplementors= store.getBoolean(PreferenceConstants.EDITOR_MARK_IMPLEMENTORS);
		fMarkMethodExitPoints= store.getBoolean(PreferenceConstants.EDITOR_MARK_METHOD_EXIT_POINTS);
	}
	
	/*
	 * @see AbstractTextEditor#createSourceViewer(Composite, IVerticalRuler, int)
	 */
	protected final ISourceViewer createSourceViewer(Composite parent, IVerticalRuler verticalRuler, int styles) {
		
		ISourceViewer viewer= createJavaSourceViewer(parent, verticalRuler, getOverviewRuler(), isOverviewRulerVisible(), styles, getPreferenceStore());
		
		
		getSourceViewerDecorationSupport(viewer);				
		
		return viewer;
	}
	
	public final ISourceViewer getViewer() {
		return getSourceViewer();
	}
	
	/*
	 * @see AbstractTextEditor#createSourceViewer(Composite, IVerticalRuler, int)