[doc][xs] Minor cleaning up of the docs

doc/api-v2.rst

@@ -6,7 +6,6 @@ The CKAN API version 1 & 2 is separated into three parts.
 
 * `Model API`_
 * `Search API`_
-* `Util API`_
 
 The resources, methods, and data formats of each are described below.
 

doc/background-tasks.rst

@@ -23,11 +23,14 @@ Enabling Background Tasks
 
 To manage and run background tasks requires a job queue and CKAN uses celery_
 (plus the CKAN database) for this purpose. Thus, to use background tasks you
-need to install and run celery_.
+need to install and run celery_. As of CKAN 1.7, celery is a required library
+and will be already installed after a default CKAN install.
 
 Installation of celery_ will normally be taken care of by whichever component
 or extension utilizes it so we skip that here.
 
+.. _celery: http://celeryproject.org/
+
 To run the celery daemon you have two options:
 
 1. In development setup you can just use paster. This can be done as simply

doc/publisher-profile.rst

@@ -35,6 +35,7 @@ This setup is a natural one for many situations. For example:
 Whilst organizations can currently belong to other organizations the publisher authorization profile currently only checks membership of the current organization.  Future versions of this extension may provide a configuration option to apply authorization checks hierarchically.
 
 .. _publisher-configuration:
+
 Enabling and Configuring the Publisher Profile
 ==============================================
 

doc/writing-extensions.rst

@@ -167,6 +167,8 @@ Alternatively see the `Plugin API documentation`_ below.
 ..    should be renamed in the code to not have the word 'Extension' in their names.
 
 
+.. _PyUtilib: https://software.sandia.gov/trac/pyutilib
+
 Example CKAN Extension
 ----------------------