Ndb.hpp: Documentation edits to Cluster Concepts

and Ndb class description;
Doxyfiles: moved detailed class/member descriptions 
to top of generated files.


ndb/docs/doxygen/Doxyfile.ndbapi:
  Moved detailed class descriptions to top of output.
ndb/docs/doxygen/Doxyfile.ndb:
  Moved detailed class descriptions to top of output.
ndb/docs/doxygen/Doxyfile.odbc:
  Moved detailed class descriptions to top of output.
ndb/docs/doxygen/Doxyfile.test:
  Moved detailed class descriptions to top of output.
ndb/include/ndbapi/Ndb.hpp:
  Documentation edits to Cluster Concepts, 
  Ndb Class Description

ndb/docs/doxygen/Doxyfile.ndb

@@ -14,6 +14,8 @@
 # General configuration options
 #---------------------------------------------------------------------------
 
+DETAILS_AT_TOP = YES
+
 # The PROJECT_NAME tag is a single word (or a sequence of words surrounded 
 # by quotes) that should identify the project.
 

ndb/docs/doxygen/Doxyfile.ndbapi

@@ -13,8 +13,8 @@
 #---------------------------------------------------------------------------
 # General configuration options
 #---------------------------------------------------------------------------
-DETAILS_AT_TOP         = yes
-HIDE_FRIEND_COMPOUNDS  = yes
+DETAILS_AT_TOP         = YES
+HIDE_FRIEND_COMPOUNDS  = YES
 
 # The PROJECT_NAME tag is a single word (or a sequence of words surrounded 
 # by quotes) that should identify the project.

ndb/docs/doxygen/Doxyfile.odbc

@@ -14,6 +14,8 @@
 # General configuration options
 #---------------------------------------------------------------------------
 
+DETAILS_AT_TOP = YES
+
 # The PROJECT_NAME tag is a single word (or a sequence of words surrounded 
 # by quotes) that should identify the project.
 

ndb/docs/doxygen/Doxyfile.test

@@ -14,6 +14,8 @@
 # General configuration options
 #---------------------------------------------------------------------------
 
+DETAILS_AT_TOP = YES
+
 # The PROJECT_NAME tag is a single word (or a sequence of words surrounded 
 # by quotes) that should identify the project.