Merge pull request #234 from chuckdumont/master

Fix for empty package directory causes IllegalArgumentsException
Revert "Fix ClassNotFoundException for javax.activation.MimetypesMimeFileType on karaf."

This reverts commit 25efad27f755f17460d69dfa8dc7bb1db93f1d55.
Merge pull request #237 from chuckdumont/work2

Fix ClassNotFoundException for javax.activation.MimetypesFileTypeMap on karaf
Merge pull request #235 from chuckdumont/master

Improve require expansion logging