tasks have moved to separate git repos

The following tasks which are essential to Beaker's operation have been
moved to beaker-core-tasks:

    http://git.beaker-project.org/cgit/beaker-core-tasks/

    /distribution/install
    /distribution/inventory
    /distribution/reservesys
    /distribution/updateDistro
    /distribution/virt/install
    /distribution/virt/start

The following tasks for testing Beaker itself have been moved to
beaker-meta-tasks:

    http://git.beaker-project.org/cgit/beaker-meta-tasks/

    /distribution/beaker/Sanity/bz880440-fqdn-self-reporting
    /distribution/beaker/Sanity/sync-set_block-tests
    /distribution/beaker/custom_kickstart
    /distribution/beaker/dogfood
    /distribution/beaker/fake_systems
    /dsitribution/beaker/import
    /dsitribution/beaker/setup

Change-Id: I18ec2a2debe01058ceecdd0a58c2cd0b1ffdda7c