Remove insignificant classes from docs

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@3249 5ecf4fe2-1ee6-0310-87b1-e25e094e27de

actionpack/lib/action_controller/vendor/html-scanner/html/node.rb

@@ -264,7 +264,7 @@ module HTML #:nodoc:
   
   # A CDATA node is simply a text node with a specialized way of displaying
   # itself.
-  class CDATA < Text
+  class CDATA < Text #:nodoc:
     def to_s
       "<![CDATA[#{super}]>"
     end

activerecord/lib/active_record/connection_adapters/oci_adapter.rb

@@ -510,7 +510,7 @@ begin
 
   # The OCIConnectionFactory factors out the code necessary to connect and
   # configure an OCI connection.
-  class OCIConnectionFactory
+  class OCIConnectionFactory #:nodoc:
     def new_connection(username, password, host)
       conn = OCI8.new username, password, host
       conn.exec %q{alter session set nls_date_format = 'YYYY-MM-DD HH24:MI:SS'}
@@ -528,7 +528,7 @@ begin
   # this would be dangerous (as the earlier part of the implied transaction
   # may have failed silently if the connection died) -- so instead the 
   # connection is marked as dead, to be reconnected on it's next use.
-  class OCI8AutoRecover < DelegateClass(OCI8)
+  class OCI8AutoRecover < DelegateClass(OCI8) #:nodoc:
     attr_accessor :active
     alias :active? :active