[GEODE-2037] Update documentation links

Fix README.md, geode-examples/README.md, and the website releases
page to point to documentation hosted on the geode website

README.md

@@ -94,7 +94,7 @@ Apache Geode applications can be written in these client technologies:
 
 * Java using the Geode client API or embedded using the Geode peer API
 * [Spring Data GemFire](http://projects.spring.io/spring-data-gemfire/) or [Spring Cache](http://docs.spring.io/spring/docs/current/spring-framework-reference/html/cache.html)
-* [Python](https://github.com/gemfire/py-gemfire-rest)
-* [REST](http://geode.docs.pivotal.io/docs/rest_apps/book_intro.html)
+* [REST](http://geode.apache.org/docs/guide/rest_apps/chapter_overview.html)
 * [memcached](https://cwiki.apache.org/confluence/display/GEODE/Moving+from+memcached+to+gemcached)
+* [Python](https://github.com/gemfire/py-gemfire-rest)
 

geode-examples/README.md

@@ -16,9 +16,9 @@ All examples:
 
 ### Installation and a Tutorial for Beginners
 
-*  [How to Install](http://geode.docs.pivotal.io/docs/getting_started/installation/install_standalone.html)
+*  [How to Install](http://geode.apache.org/docs/guide/getting_started/installation/install_standalone.html)
 *  Set a `GEODE_HOME` environment variable to point to the root directory of the installation; this directory contains `bin/`. For those that have built from source, it will be the `geode-assembly/build/install/apache-geode` directory.
-*  If desired run the tutorial: [Apache Geode in 15 minutes or Less](http://geode.docs.pivotal.io/docs/getting_started/15_minute_quickstart_gfsh.html)
+*  If desired run the tutorial: [Apache Geode in 15 minutes or Less](http://geode.apache.org/docs/guide/getting_started/15_minute_quickstart_gfsh.html)
 
 ### Basics
 

geode-site/website/content/releases/index.html

@@ -268,7 +268,7 @@ <h4><span class="icon-archive"> Dependency Managers</span></h4>
     			<p>
 					Alternatively, you can verify the MD5 signature on the files. A Unix program called md5 or md5sum is included in many Unix distributions. It is also available as part of <a href="http://www.gnu.org/software/textutils/textutils.html">GNU Textutils</a>. Windows users can get binary md5 programs from <a href="http://www.fourmilab.ch/md5/">here</a>, <a href="http://www.pc-tools.net/win32/md5sums/">here</a>, or <a href="http://www.slavasoft.com/fsum/">here</a>.
 				<p>
-					If you want to build directly from source, instructions are within the User Documentation in the <a href="http://geode.docs.pivotal.io/docs/getting_started/installation/install_standalone.html">How to Install</a> subsection.
+					If you want to build directly from source, instructions are within the User Documentation in the <a href="http://geode.apache.org/docs/guide/getting_started/installation/install_standalone.html">How to Install</a> subsection.
 				</p>
 			</div>
 		</div>