documentation/dev-manual: Updates to index of releases

Had to update the figure again and I updated the surrounding
text.

(From yocto-docs rev: ed0aea8ad3670aace1eb51ca7a72e75a4c129fba)

Signed-off-by: Scott Rifenbark <scott.m.rifenbark@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

documentation/dev-manual/dev-manual-newbie.xml

@@ -102,7 +102,7 @@
                 <imagedata fileref="figures/source-repos.png" align="center" width="6in" depth="4in" />
                 </para></listitem>
             <listitem><para><anchor id='index-downloads' /><emphasis><ulink url='http://downloads.yoctoproject.org/releases/'>Index of /releases:</ulink></emphasis>
-                This area contains an index of downloads such as 
+                This area contains an index releases such as 
                 the <trademark class='trade'>Eclipse</trademark>
                 Yocto Plug-in, miscellaneous support, Poky, pseudo, cross-development toolchains,
                 and all released versions of Yocto Project in the form of images or tarballs.