New version 26.15-1
    
    - Don't pass storage to firstboot.setup() (mkolman)
    - RTD fixes (mkolman)
    - Catch ValueError from LVM part in Blivet library (jkonecny)
    - Handle unexpected storage exception from blivet (jkonecny)
    - Add sudo to test requires (jkonecny)
    - network: fix network --noipv4 in %%pre (rvykydal)
    - fix typo in systemd service keyword (mail)
    - Fix pylint issue in ks_version_test (jkonecny)
    - Move Anaconda tests to mock (jkonecny)
    - Add checks to git-find-branch script (jkonecny)
    - Remove intermediate pot files in po-push (mkolman)
    - Allow install classes to set alternate states for firstboot/initial-setup (riehecky)