rework folder structure
rework composer.json, rework travis.yml, added ccabs
applied cca-codestyle
applied cca-codestyle to comment blocks
added author validation, added author information
added base unit tests
changed tabs to spaces
added author information in tests
reindent travis.yml
travis.yml reindent
removed author from class comment block
fixed unit test namespace
Merge pull request #4 from cboelter/tng-ccabs

Applied CCA-CodeStyle and CCA-Build-System.
See MetaModels/core#602.