removed unnecessary deep copy of array
changed exceptions and replaced required tags with property names
remove sulu.node.name tag
removed sulu.node.name tag
fixed code style
Merge branch 'develop' into enhancement/force-title-property

Conflicts:
	src/Sulu/Component/Content/Mapper/ContentMapper.php
Merge branch 'develop' of git://github.com/sulu-cmf/sulu into enhancement/force-title-property
Merge pull request #306 from sulu-cmf/enhancement/force-title-property

Force title property for templates