Merge branch 'release/1.6.0' into develop
Set next snapshot version
Log dependency tree if using debug.
Include file name for easier troubleshooting.
Merge branch 'develop' of git@github.com:jmbe/combine-taglib.git into develop
Use inline in name for resource, for viewing in dependency graph.
Remove duplicate edges in resource node.
Add hashCode.
Fix FindBugs warnings.
Add more relations.
Marks items with no incoming edges as root.
Track satisfies, i.e. inverse of requires.
Add satisfies tests.
Output tree continuation only if there are more nodes to print.
Support Comparable.
Spike finding edge contraction candidates.
Add more relations.
Output tree continuation only if there are more nodes to print.
Do dependency resolution only once per request.
Support Comparable.