renaming of chapters to match their japanese original titles(which happened to be in English)

Author: markburns

chapter04.textile class.textilechapter04.textile renamed to class.textile

@@ -80,18 +80,18 @@ to post suggestions on the mailing list.
 h3. Part 1: Objects
 
 * "Chapter 1: A Minimal Introduction to Ruby":chapter01.html
-* "Chapter 2: Objects":chapter02.html
-* "Chapter 3: Names and name tables":chapter03.html
-* "Chapter 4: Classes and modules":chapter04.html
+* "Chapter 2: Objects":object.html
+* "Chapter 3: Names and name tables":name.html
+* "Chapter 4: Classes and modules":class.html
 * Chapter 5: Garbage collection
-* "Chapter 6: Variables and constants":chapter06.html
-* "Chapter 7: Security":chapter07.html
+* "Chapter 6: Variables and constants":variable.html
+* "Chapter 7: Security":security.html
 
 h3. Part 2: Syntax analysis
 
 * "Chapter 8: Ruby Language Details":chapter08.html
 * Chapter 9: yacc crash course
-* "Chapter 10: Parser":chapter10.html
+* "Chapter 10: Parser":parser.html
 * Chapter 11: Context-dependent scanner
 * Chapter 12: Syntax tree construction
 
@@ -105,7 +105,7 @@ h3. Part 3: Evaluation
 
 h3. Part 4: Around the evaluator
 
-* "Chapter 18: Loading":chapter18.html
+* "Chapter 18: Loading":load.html
 * Chapter 19: Threads
 
 * Final chapter: Ruby's future