checkstyle fixes, extended blacklist

git-svn-id: http://www.pimcore.org/svn/pimcore/private/core/trunk@2422 1f8fe7d8-47f0-464c-8d0a-336f4953ab05
checkstyle fixes

git-svn-id: http://www.pimcore.org/svn/pimcore/private/core/trunk@2423 1f8fe7d8-47f0-464c-8d0a-336f4953ab05
document properties navigation name: fixed problem in some cases with navigation name

git-svn-id: http://www.pimcore.org/svn/pimcore/private/core/trunk@2424 1f8fe7d8-47f0-464c-8d0a-336f4953ab05
some php 5.4 bugfixes

git-svn-id: http://www.pimcore.org/svn/pimcore/private/core/trunk@2425 1f8fe7d8-47f0-464c-8d0a-336f4953ab05