#17: Moved header Osgifier-RecommendedImportPolicy belwo standard headers
#18: Use common-manifest 0.15.0 (Fixed "line too long")
Removed dependency to osgify-core test-jar
Fixed NPE when BundleCandidate has not MavenArtifact extension
NPE fix. BundleManifest.getExportPackage() may return null.
#11: manifest builder api
#11: further manifest builder improvements
#11: update to newer manifest commons
#11: adapted to changes in commons
#11: MavenProjectManifestBuilder computes its build result in the build
method only; Removed ManifestBuilderFactory
#11: Moved MavenProjectManifestBuilder to osgify-maven
#11: Migrated GenerateManifestMojo to MavenProjectManifestBuilder
#11: common-maven.version 0.18.0; srcpit-parent 13
#11: MavenProjectManifestBuilder goes ArtifactManifestBuilder
#13: Support for 'Require-Bundle' via option 'osgifier.requireBundle'
#13: Fall back to package imports if required bundle is requiring bundle (self reference)