Move gitclone part from readme to top.

Because it is the most important thing now in this egg.

README.rst

-************************
-slapos.recipe.build:cpan
-************************
-
-Downloads and installs perl modules using Comprehensive Perl Archive Network (cpan).
-
-
-
-Examples
-********
-
-Basic example
--------------
-
-Here is example to install one or several modules::
-
-  [buildout]
-  parts = perl-modules
-
-  [perl-modules]
-  recipe = slapos.recipe.build:cpan
-  modules =
-    Class::Date
-    Other::Module
-  # Optional argument specifying perl buildout part, if existing.
-  # If specified, recipe will use the perl installed by buildout.
-  # If not specified, will take the globally available perl executable.
-  perl = perl
-
-Specific version
-----------------
-
-Note that cpan won't allow you to specify version and will always take latest
-version available. To choose a specific version, you will need to specify
-the full path in cpan like in ::
-
-
-  [buildout]
-  parts = perl-modules
-
-  [perl-modules]
-  recipe = slapos.recipe.build:cpan
-  modules =
-    D/DL/DLUX/Class-Date-1.1.10.tar.gz
-  perl = perl
-
-Notes
-=====
-
-Currently, the modules will be installed in site-perl directory. Location of this
-directory changes depending on the perl installation.
-
-
-
 ****************************
 slapos.recipe.build:gitclone
 ****************************
@@ -310,6 +256,59 @@ Full example
   revision = 0123456789abcdef
 
 
+************************
+slapos.recipe.build:cpan
+************************
+
+Downloads and installs perl modules using Comprehensive Perl Archive Network (cpan).
+
+
+
+Examples
+********
+
+Basic example
+-------------
+
+Here is example to install one or several modules::
+
+  [buildout]
+  parts = perl-modules
+
+  [perl-modules]
+  recipe = slapos.recipe.build:cpan
+  modules =
+    Class::Date
+    Other::Module
+  # Optional argument specifying perl buildout part, if existing.
+  # If specified, recipe will use the perl installed by buildout.
+  # If not specified, will take the globally available perl executable.
+  perl = perl
+
+Specific version
+----------------
+
+Note that cpan won't allow you to specify version and will always take latest
+version available. To choose a specific version, you will need to specify
+the full path in cpan like in ::
+
+
+  [buildout]
+  parts = perl-modules
+
+  [perl-modules]
+  recipe = slapos.recipe.build:cpan
+  modules =
+    D/DL/DLUX/Class-Date-1.1.10.tar.gz
+  perl = perl
+
+Notes
+=====
+
+Currently, the modules will be installed in site-perl directory. Location of this
+directory changes depending on the perl installation.
+
+
 ***********************
 slapos.recipe.build:npm
 ***********************