Merge branch 'version/bump' into develop

Bump composer.json branch aliases
Bump Zend\Version
Update README
Merge branch 'releases/2.2.0' into develop

2.2.0rc1 readiness

Conflicts:
	README.md
	library/Zend/Version/Version.php
Merge branch 'version/bump' into develop

bump to dev version

Conflicts:
	README.md
	library/Zend/Version/Version.php
Fix conflict InputFilter::type with Input::name in InputFilter factory
Merge pull request #4382 from gag237/fix_conflict_inputFilterSpec

Fix conflict InputFilter::type with Input::name in InputFilter factory
Merge branch 'hotfix/4382'

Close #4382