Only display dates and author if the included page exists

Add 'beforeeach' and 'aftereach' flags

These two flags allow to specify an entity or text that will be
displayed before or after each included page. The text will be displayed
outside the current se

Add 'beforeeach' and 'aftereach' flags

These two flags allow to specify an entity or text that will be
displayed before or after each included page. The text will be displayed
outside the current section and paragraph so this is really mainly a
possibility to specify an entity that will expanded into some HTML code.
This can also be used to wrap each included page in a certain HTML
element.

Example:

In conf/entities.local.conf add the following:
~~PAGEBREAK~~ <div style="page-break-before:always;">&nbsp;</div>
Then you can use
{{namespace>ns&beforeeach=~~PAGEBREAK~~}}
and you will get a page break before each included page. This uses
inline styles as otherwise the dw2pdf plugin doesn't consider the page
breaks for the toc generation.

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Clean the depth flag value

Add missing flag options for parlink, title and pageexists

Add "noheader" configuration option for "noheader" flag, closes #101

This also adds "showheader" and "header" flags which both disable the
"noheader" option.

added english translation for new Modified Date options

Added option for showing the modified time of a page

Use natural string ordering for sorting pages in namespace includes

Add test cases for the recently added namespace include features

This tests:
- exclusion of hidden pages
- ordering by page ID and custom metadata
- the various options of the depth parameter

Add (r)sort and order flags for namespace includes #96 #61

This adds the following ordering criterias:
- page ID (current behavior, default)
- title
- date created
- date modified
- indexmenu sort t

Add (r)sort and order flags for namespace includes #96 #61

This adds the following ordering criterias:
- page ID (current behavior, default)
- title
- date created
- date modified
- indexmenu sort tag metadata
- include plugin sort tag metadata (new syntax: {{include_n>[number]}})

When the rsort flag is set, the ordering will be reversed. Both flags
are available as configuration option, too.

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Exclude hidden pages from namespace includes

Add 'depth' flag and option for the maximum depth of namespace includes

The default is 1, i.e. the former behavior, 0 allows unlimited depth.

New version 2012-11-24 with safeindex feature

Simplify the js/jQuery code

Add "safeindex" feature, prevents indexing of protected included metadata

The safeindex feature that is turned on by default prevents the indexer
from indexing metadata from included pages that are

Add "safeindex" feature, prevents indexing of protected included metadata

The safeindex feature that is turned on by default prevents the indexer
from indexing metadata from included pages that are non-public. This
means that for example only links from included pages that are public
will be indexed.

This affects plugins that add their own metadata to the index in the
following ways:

* there is no effect when all included pages are public or when no user
is logged in when the page is indexed
* when the plugin's event handler is called after the include plugin,
the plugin will get only metadata from included pages that are public
* when the plugin's event handler is called before the include plugin
the include plugin will delete the plugin's metadata. I'm happy to add
special handlers or exceptions for plugins like the tag plugin
(already included) that are affected by this problem.

The safeindex feature can be turned off when the ACL rules of all parent
pages match the child pages or when information disclosure through
metadata like backlinks is no problem.

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Use a standard header for the header with link in non-xhtml mode

This fixes the header with link ("showlink" feature) for export plugins
(without link though).

New bugfix release 2012-11-23

Set the end position of the last section edit button of section includes

When not the whole page but just a section was included the last section
edit button inside the included page was for the who

Set the end position of the last section edit button of section includes

When not the whole page but just a section was included the last section
edit button inside the included page was for the whole rest of the page
instead of the rest of the included section. Now the position after the
included content is stored and used in the section edit button.

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Fix section edits when the first header is a link #97

Fix duplicate section ids in the link header

Remove the name attribute from header link as in the core renderer

Add missing break for inline mode (might have caused warnings)

Add support for updating the include syntax after moves with editx

Add PHPDoc comments and variable definitions to the include syntax part

Conflicts:
syntax/include.php

Rewrite JS code to use jQuery