#5465 use strlen instead of empty
#5465 unit test
#5465 added link to github issue
Giving more namespaces to FlashMessager

This change was made by another user and excluded after for some reason. Just putting it back
Change hardcoded events names by its constant.
More explicit name for requested name
consistent naming
remove unneeded createService functions because actually do same with base class
Fixes #5549
fix when default value of "inclusive" is not set, set to default "true"
added PHP 5.4 support for strings in Bz2 and Gz decompress
PHP 5.4 support for strings in Bz2 and Gz decompress - removed PHP 5.4 version check for some tests
Run Travis build also on PHP 5.6
It's ok that the ZF2 tests does not pass on PHP 5.6
Avoid function usage in loops
Merge commit 'refs/pull/5830/head' of github.com:zendframework/zf2 into hotfix/5830
Merge pull request #5830 branch 'hotfix/5830'
service locator variable
Update FormAbstractServiceFactory.php
Merge pull request #5833