fixed composer json
fixed namespace bug
refactoring
Update composer.json
fixed smart content bug
adopted version number
Merge branch 'master' into develop

Conflicts:
	composer.json
Merge branch 'develop' of git://github.com/sulu-cmf/SuluContentBundle into develop
refactoring
began with refactoring preview
builded files
bugfix
merged with develop
implemented responsiveness
save
bugfixes
fixed smart content select bug
Merge branch 'develop' of git://github.com/sulu-cmf/SuluContentBundle into feature/dom-structure
finalized preview refactoring
Merge branch 'feature/dom-structure' into develop