Merge branch 'redirect-refresh' of https://github.com/fabicz/zf2 into feature/mvc-refresh

PR #2100

Conflicts:
	library/Zend/Mvc/Controller/Plugin/Redirect.php
	tests/ZendTest/Mvc/Controller/Plugin/RedirectTest.php
Merge branch 'feature/mvc-refresh'

Close #2100
Merge branch 'fix/classannotations' of https://github.com/Rovak/zf2 into feature/code-scanner-class-annotations
Merge branch 'feature/code-scanner-class-annotations'
Merge branch 'add-hydrator-wildcard-and-strategy' of https://github.com/blanchonvincent/zf2 into feature/hydrator-wildcard-serializable
[#2125] CS fixes

- Trailing whitespace
[#2125] Ensure we have a wildcard strategy before attempting to return it
Merge branch 'feature/hydrator-wildcard-serializable'
Merge branch 'feature/overrideable-di-factories' of https://github.com/Ocramius/zf2 into feature/di-factory-overrides

Conflicts:
	library/Zend/Mvc/Service/ServiceListenerFactory.php
Merge branch 'form/select-date' of https://github.com/bakura10/zf2 into feature/form-month-date-select
Merge branch 'feature/form-month-date-select'
Merge branch 'feature/uri-normalize-filter' of https://github.com/shevron/zf2 into feature/filter-uri-normalization
[#2212] Added suggest to composer.json

- added zend-uri as a suggested requirement
Merge branch 'feature/filter-uri-normalization'

PR #2212
Convert abstract classes that are only offering static methods

To respect recommanation :

"For classes that are only offering static methods, we typically
recommend making them abstract."
Add class as abstract

Make class abstract, offer only static methods
Merge pull request #2369 branch 'hotfix/remove-unused-vars'
Updated version for develop branch

- Reflects upcoming 2.1.0 minor release
Modified Zend Acl/Navigation to be extendable.
Fixed wrong imports. All unit tests seem to pass.