new guide outline proposal

docs/guide/index2.md

+Introduction
+------------
+
+* What is Yii
+* Upgrading from Version 1.1
+
+
+Getting Started
+---------------
+
+* Overview
+* Starting with Basic App
+* Starting with Advanced App
+* Starting from Scratch
+* What's Next
+
+
+Fundamentals
+------------
+
+* Properties, Events and Behaviors
+* Class Autoloading
+* Object Configurations
+* Path Aliases
+* Request Lifecyle
+* Entry Scripts
+* Applications
+* Controllers and Actions
+* Views
+* Models
+* Requests
+* Responses
+* Filters
+* Widgets
+* Modules
+* Extensions
+
+
+Working with Database
+---------------------
+
+* Basics - Connecting to a database, basic queries, transactions and schema manipulation
+* Query Builder - Querying the database using a simple abstraction layer
+* ActiveRecord - The active record ORM, retrieving and manipulating records and defining relations
+* Working with Redis
+* Working with MongoDB
+* Working with ElasticSearch
+* Working with Sphinx
+
+
+Special Topics
+--------------
+
+* Asset Management
+* Authentication
+* Authorization
+* Building RESTful Web Services
+* Caching
+* Console Commands
+* Creating Extensions
+* Data Formatting
+* Debug Toolbar and Debugger
+* Error Handling
+* File Upload
+* Generating Code using Gii
+* Generating API Documentation
+* Input Validation
+* Internationalization
+* Logging
+* Mailing
+* Pagination and Sorting
+* Performance Tuning
+* Routing and URL Management
+* Security
+* Service Locator and Dependency Injection
+* Testing
+* Theming
+* Using Auth Clients
+* Using Template Engines
+* Working with 3rd-Party Code
+* Working with Cookies
+* Working with HTML Forms
+* Working with Sessions
+
+
+Widgets
+-------
+
+* Overview
+* GridView: link to demo page
+* ListView: link to demo page
+* DetailView: link to demo page
+* ActiveForm: link to demo page
+* ...other widgets...
+
+
+Helpers
+-------
+
+* Overview
+* Html: code snippets organized by practical use cases
+* Url
+* ...other helpers...