Travis Release exec - Try/Error 28 -Fix "gpg2 not found"
[maven-release-plugin] prepare release bulbs-shared-1.0
[maven-release-plugin] prepare for next development iteration
Travis Release exec - Try/Error 29  Disable gpg agent usage; rollback to
version 1.0-SNAPSHOT
Travis Release exec - Try/Error 30 Use email as gpg keyname
Travis Release exec - Try/Error 31 Provide gpg passphrase in cmd line call