This reverts commit 362a4f08.

Support for the URI scheme tel: #643

This moves the message area into content div. The pageid is now aligned
by floating instead of absolute positioning.

1 little fix

This commit consists of patches automatically generated for this project on https://scrutinizer-ci.com

This commit consists of patches automatically generated for this project on https://scrutinizer-ci.com

In an older version of PHP a file_exists() call would issue a warning
when the file did not exist. This was fixed in later PHP releases. Since
we require PHP 5.3 now, there's no need to supress any error here
anymore. This might even give a minor performance boost.

As described in the common idioms of the HTML5 spec, mark up navigation as a list inside a `nav` element for better semantics and accessibility.

see:

  * http://www.w3.org/html/wg/drafts/html/master/common-idioms.html#rel-up
  * http://lists.w3.org/Archives/Public/public-html/2013Nov/thread.html#msg6
  * https://dl.dropboxusercontent.com/u/377471/breadcrumb.html

for discussion and background.