Fix issue with MVC segfault

- Many thanks to @ircmaxell !!!!
Better fix for PCRE + PHPUnit issue

- Again, thanks to @ircmaxell
Better fix for 5.3.3 segfaults

- Added `@return` annotations to data providers and test cases that exhibited
  behavior
- Reverts bd2c6f4afb and 817aeb1ee
PR #4568
Merge branch 'zend_db_select_cast_limit_and_offset' of git://github.com/pauloelr/zf2 into pauloelr-zend_db_select_cast_limit_and_offset
[#4624] Fix notice

- Factory embedded in ViewHelperManagerFactory was not checking if
  services and/or array keys existed prior to accessing them.
Zend\Db\Sql\Select
Added tests for limit/offset int handling
Added functionality to MysqlPlatform handler
PR #4568 merged to master
Merge branch 'pauloelr-zend_db_select_cast_limit_and_offset'
Forward #4568 to develop
Merge branch 'pauloelr-zend_db_select_cast_limit_and_offset' into develop
[#4629] Allow caching null values from callbacks

- Implemented test case for #4629
- Used fix suggested in original report
Merge pull request #4465 from MatyCZ/ConstantScanner

Add ConstantScanner to Zend\Code\Scanner
[#4465] Fixed test to identify error raised

- Add error handler, and verify E_USER_DEPRECATED was raised
- Ensure name of constant is correct case
Merge branch 'hotfix/4465'

Close #4465
Merge branch 'hotfix/4465' into develop

Forward port #4465
Merge branch 'hotfix/route-factory-prototypes' of https://github.com/weierophinney/zf2 into pull/4622
Merge branch 'pull/4622'
Close #4622
Merge branch 'pull/4622' into develop
Forward port #4622
Allow specifying router class to use

- Allows usage of TranslatorAwareTreeRouteStack via configuration now:

  'router' => array(
      'route_class' => 'Zend\Mvc\Router\Http\TranslatorAwareTreeRouteStack',
      'routes' => array( /* ... */ )
  )

- Also possible to use alternate console routers this way
remove redundance @copyright and @license docblock  because of already written
fixed #4552: Zend\Cache\Storage\Adapter\Wincache::getItem() have to return NULL in cases of not found items
removed checks of not existing class Zend\Math\BigInteger