added template to resolver
fixed resolver testcase
implemented memoize
Merge branch 'develop' of git://github.com/sulu-cmf/sulu into feature/template-twig-var
added changelog line
added phpdoc
refactored memoize
implemented call with arguments
added default life time parameter
added memoize to navigation twig extension
moved twig extensions
adapted config
added services
implemented memoized content twig extension
modified service config
fixed typo
implemented sitemap memoized extension
implemented snippet memoized extension
fixed testcase
fixed code style