Merge branch 'master' into develop
Explicity invoke release plugin with xpcom profile
Correct vbox.home processing when property set

An existing value for the property was being treated as a file.  Also adds
logging of the value used and it's provenance.
Updated release notes and readme for 0.3.0-alpha.2
[maven-release-plugin] prepare release pallet-vmfest-0.3.0-alpha.2
[maven-release-plugin] prepare for next development iteration
Merge branch 'release/0.3.0-alpha.2'