Fix withDependencyManagement() failing if no dependencyMangement was …

…already present

Fix static import not being added in some circumstances

Fix null check

Resolve parent poms and boms from http repos that should be https

Merge pull request openrewrite#37 from openrewrite/moveSpansMultipleL…

…ines

Make constructor public in SpansMultipleLines

Print Maven POM as CycloneDX BOM

Moved SpansMultipleLines to new utilities folder (openrewrite#34)

Fun with classloaders

Fix test

TreeBuilderTest was flaky because type parameter may be a shallow cla…

…ss not GenericTypeVariable

* It depends on the order in which the unit tests are ran