implemented request-format
added full parameter for url generation
fixed pr issues
fixed code style
Merge branch 'develop' of git://github.com/sulu-cmf/SuluWebsiteBundle into feature/request-format

Conflicts:
	Controller/WebsiteController.php
added excpetion for format not found
implemented redirect for .html
Merge branch 'develop' of git://github.com/sulu-cmf/SuluWebsiteBundle into feature/request-format
cleaned code
renamed variable
fixed request analyzer null
do not use exception controller for http code over 500
adjusted exception handling to return correct formats
fixed tests
Merge branch 'feature/request-format' into develop