Removed hard dep on massive-build
Merge pull request #220 from sulu-cmf/removed_hard_dep

Removed hard dep on massive-build
fixed block content type
added default values
Support for defining indexes in templates
Map XML index properties to structures
implemented StructeContentResolver
restructured StructureResolver
fixed max occurs default value
ingnore invalid templates
added command to dump invalid pages
fixed tests
fixed command issues
fixed test cases
added template resolver
adapted config
implemented extract format
Merge branch 'hotfix/invalid-tempalte'
Merge branch 'hotfix/invalid-tempalte' into develop
updated composer.json