Handle Portfiles without contents lists. Don't include version in package name (yet).  I was getting errors about .bom file not found in some cases.
Handle Portfiles without contents lists.
Don't include version in package name (yet).  I was getting errors about .bom
file not found in some cases.

git-svn-id: 620571fa9b4bd0cbce9a0cf901e91ef896adbf27@1518 d073be05-634f-4543-b044-5fe20cf6d1d6

neverpanic/macports-base,macports/macports-base,macports/macports-base,danchr/macports-base,danchr/macports-base,neverpanic/macports-base