fix multiple broken URLs to wiki, github and gnu.org

Author: Ed Costello

source/about.txt

@@ -16,7 +16,7 @@ pages <>` for more information about MongoDB:
 
 - :wiki:`Introduction`
 - :wiki:`Philosophy`
-- :wiki:`Features`
+.. - :wiki:`Features`
 - :wiki:`About`
 
 If you want to download MongoDB, see the `downloads page

source/applications/database-references.txt

@@ -173,8 +173,8 @@ Support
    for interacting with DBRefs.
 
 **Ruby**
-   The Ruby Driver supports DBRefs using the :api:`DBRef class </ruby/current/classes/XGen/Mongo/Driver/DBRef.html>`
-   and the :api:`deference method <ruby/current/classes/XGen/Mongo/Driver/DB.html#M000236>`.
+   The Ruby Driver supports DBRefs using the :api:`DBRef class </ruby/current/BSON/DBRef.html>`
+   and the :api:`deference method </ruby/current/Mongo/DB.html#dereference>`.
 
 Use
 ~~~

source/applications/drivers.txt

@@ -16,7 +16,7 @@ information about the MongoDB wiki :wiki:`drivers <Drivers>` page:
 - PHP (:wiki:`wiki <PHP+Language+Center>`, `docs <http://php.net/mongo/>`_)
 - Perl (:wiki:`wiki <Perl+Language+Center>`, :api:`docs <perl/current/>`)
 - Java (:wiki:`wiki <Java+Language+Center>`, :api:`docs <java/current>`)
-- Scala (:wiki:`wiki <Scaa+Language+Center>`, :api:`docs <scala/casbah/current/>`)
+- Scala (:wiki:`wiki <Scala+Language+Center>`, :api:`docs <scala/casbah/current/>`)
 - C# (:wiki:`wiki <CSharp+Language+Center>`, :api:`docs <csharp/current/>`)
 - C (:wiki:`wiki <C+Language+Center>`, :api:`docs <c/current/>`)
 - C++ (`wiki <http://mongodb.org/pages/viewpage.action?pageId=133409>`_, :api:`docs <cplusplus/current/>`)

source/index.txt

@@ -136,7 +136,7 @@ MongoDB. The following pages from the wiki are especially useful:
         - :wiki:`Quickstart`
         - :wiki:`Introduction`
         - :wiki:`Downloads`
-        - :wiki:`Features`
+..        - :wiki:`Features`
         - :wiki:`SQL to MongoDB Mapping <SQL+to+Mongo+Mapping+Chart>`
 
    - :wiki:`Developer Documentation <Developer+Zone>`
@@ -165,7 +165,7 @@ MongoDB. The following pages from the wiki are especially useful:
 
        - :wiki:`Components`
        - :wiki:`Journaling`
-       - :wiki:`Production Notes`
+       - :wiki:`Production Notes <Production+Notes>`
        - :wiki:`Replication`
        - :wiki:`Sharding`
        - :wiki:`Monitoring and Diagnostics <Monitoring+and+Diagnostics>`

source/reference/glossary.txt

@@ -273,7 +273,7 @@ Glossary
    index
       A data structure that optimizes queries.
 
-      .. seealso:: The ":wiki:`Indexing`" wiki page.
+      .. seealso:: The ":wiki:`Indexes`" wiki page.
 
       .. STUB ":doc:`/core/indexing`"
 
@@ -284,7 +284,7 @@ Glossary
    compound index
       An :term:`index` consisting of two or more keys.
 
-      .. seealso:: The ":wiki:`Indexing`" wiki page.
+      .. seealso:: The ":wiki:`Indexes`" wiki page.
 
       .. STUB ":doc:`/core/indexing`"
 

source/tutorial/deploy-replica-set.txt

@@ -118,11 +118,11 @@ See the documentation of the following shell functions for more
 information: :func:`rs.initiate()`, :func:`rs.conf()`,
 :func:`rs.reconfig()` and :func:`rs.add()`.
 
-.. [#screen] `GNU Screen <http://www.gnu.org/screen/>`_ is packaged as
+.. [#screen] `GNU Screen <http://www.gnu.org/software/screen/>`_ is packaged as
    ``screen`` on Debian-based, Fedira/Red Hat-based, and Arch Linux.
 
 .. seealso:: You may also consider the "`simple setup script
-   <https://github.com/mongodb/mongo-snippets/blob/master/replication/simple-setup.Pu>`_"
+   <https://github.com/mongodb/mongo-snippets/blob/master/replication/simple-setup.py>`_"
    as an example of a basic automatically configured replica set.
 
 Production Replica Set