Parametrized package repository (defaults to our PPA repository for contrail-1.06).
Re-added opencontrail::ppa/ppa for (ifmap and friends).
Added apt include to profile::opencontrailppa.
Added handling for contrail versions containing additional Debian package versioning information.
Fixed regular expression for package version adjustments.
Added missing GPG key ID for upstream repository to profile::opencontrailppa.
Re-enabled old snapshot repository with vanilla 1.06 packages.