user password strength check

git-svn-id: http://www.pimcore.org/svn/pimcore/private/core/trunk@3147 1f8fe7d8-47f0-464c-8d0a-336f4953ab05
mysql cache backend

git-svn-id: http://www.pimcore.org/svn/pimcore/private/core/trunk@3148 1f8fe7d8-47f0-464c-8d0a-336f4953ab05
removed redundant clearDependenCache() call in Object_Concrete

git-svn-id: http://www.pimcore.org/svn/pimcore/private/core/trunk@3149 1f8fe7d8-47f0-464c-8d0a-336f4953ab05
build auto version ...

git-svn-id: http://www.pimcore.org/svn/pimcore/private/core/trunk@3150 1f8fe7d8-47f0-464c-8d0a-336f4953ab05