Migrated to common-constraints 0.7.0
First PoC about how to use aether dep collector API
Use DependencyGraphParser to build Maven models
DependencyCollectionTest gets input and expected result from external
files
Introduced "parts" in test def files
Control deployment via 'deploy' and collection root via 'root' property
Added test cases to test scopes and optional to DependencyCollectionTest
Added test cases to test version conflicts and cycles to
DependencyCollectionTest
Added tests for noop dep graph transformers
Added OptionalDependencySelector
Extracted AbstractDepthBasedDependencySelector
First API design