rework folder structure
rework composer.json, rework travis.yml, added ccabs
reindent build.xml
applied cca-codestyle
applied cca-codestyle to contao folder
applied cca-codestyle to comment blocks
added author information
added base unit tests
Merge pull request #4 from cboelter/tng-ccabs

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