Display '(unreleased)' as a link to trunk/ when RELEASE_TAG is false.
Display '(unreleased)' as a link to trunk/ when RELEASE_TAG is false.

Patch by: Todd Larsen

MatthewWilkes/mw4068-packaging,MatthewWilkes/mw4068-packaging,MatthewWilkes/mw4068-packaging,MatthewWilkes/mw4068-packaging