First of paragraph of Classes and Structures

First of paragraph of Classes and Structures is finished.
Started Definition Syntax in Chapter 09
Starting Dot Syntax
Done at Memberwise Initializers for Structure Type

Starting Structures and Enumerations Are Value Types
Done *value type

Started “Classes Are Reference Types”
Done Identity Operators

Started Pointers
Done Assignment and Copy Behavior for Dictionaries

Starting Assignment and Copy Behavior for Arrays
Starting "Ensuring That An Array Is Unique"

3 pages left in this Chapter
Chapter 9 Done!

Done.
fix conflict
Merge branch 'JaySurplus-gh-pages' into gh-pages
Merge branch 'gh-pages' of https://github.com/numbbbbb/the-swift-programming-language-in-chinese into gh-pages