Scrypt doc + minor fixes on password
Minor fix on key derivation doc
Placeholder doc files for Zend/File
[#387] Added footnote

- Citing Colin Percival presentation on scrypt
[#387] incorporate feedback

- Incorporated all feedback from @Freeaqingme
Most of the user guide translated. 2 pages remaining.
Final pages completed
Translation of modules.rst completed.
Fixed minor spellings.
Update docs/languages/en/modules/zend.paginator.usage.rst

Updated documentation to use ArrayAdapter class instead of Array class.
Update docs/languages/en/modules/zend.db.adapter.rst

Added namespaces where applicable
Update docs/languages/en/modules/zend.db.adapter.rst

Added a namespace.

This example $adapter->query('SELECT * FROM `artist` WHERE `id` = ?', array(5)); appears incomplete if one compares it to its description below
Moved Zend\View to Broken Documentation.

I believe at least the part about layouts in the quick start is completely broken.
For example, it explains usage of a non-existing 'Zend\Mvc\View\DefaultRenderingStrategy'.
Also, it encourages use of Zend\Di.
Improved zend.view.quick-start

A variety of fixes in formatting, code examples, uniformity, typos and more.
add '\Controller' in route in definging 'controller' value
add note to explain what 'zf' in shell examples is
Initial upgrade of the documentation of Zend\Serializer to ZF2
the length of the line must match with the header length
Updated methods descriptions
Added documentation for the xcache adapter
Class names for Zend\Navigation fixed

Englisch and German