Add support for regex in consent.disable

This should help people configure the PHP session handler and mitigate issues when sessions collide. Related to #478.

This is related to #478.

Don't start a <dl> when there's no content for it. Would result in "<dl></dl>".

One error left in: data-clipboard-target="#metadata"
JavaScript should probably be changed to check for id instead of a proprietary attribute.

Add mandatory cols-attribute for non-CSS compatible browsers.

We're one column short

The segfault happens in the coverage report. Since we send coverage
info only with PHP 5.6, avoid running it entirely, saves buildtime aswell.

- Attributes which can be get from LinkedIn are now configurable
- By default these attributes are requested: id,first-name,last-name,headline,summary,specialties,picture-url,email-address
- Added email-address attribute into the default set
- Fixed link to the documentation

Update to phpunit 4.8. Last version with php 5.3 support

For #455

For #455

Update test notes to point to the 4.8 documentation and describe
how to run an old version of phpunit from composer's bin dir.

`noop()` is a method on the template after all.

This makes instanciating the Translate/Template-class unnecessary.

For #455

For #455

For #455. Note that if translation tags were domain-free strings, the
mapping from tab to tabtitle would be redundant. It would still be
necessary to mark the strings as noop however.

For #454, #455

For #455

Deprecate the certFingerprint option.

There was a typo in the name of the class, where the module was referenced as "smartattribute" instead of "smartattributes".

This is needed for the autoloader to work, or code calling class_implements(), among others.

Added checks for Date/Time, JSON, cURL and Session.

For: #454

For: #454