add aura/sql to composer.json
add DBUtil class for configuring PDO connection
fix use Config class from MOEFileGenerator
add .moe file is tracked in db
add schema for .moe file tracking
update README.md and config-example with database information
Merge pull request #4 from mediasuitenz/add_track_versions_in_db-LINCED-4

Add track versions in db linced 4