[ Rebased onto master, fixed up for comments from anaconda-devel thread:
 https://www.redhat.com/archives/anaconda-devel-list/2014-March/msg00028.html ]

This tells the installer to handle an OSTree repository.
---
 pykickstart/commands/__init__.py | 3 +-
 pykickstart/commands/ostreesetup.py | 75 +++++++++++++++++++++++++++++++++++++
 pykickstart/handlers/control.py | 2 +
 tests/commands/ostreesetup.py | 38 +++++++++++++++++++
 4 files changed, 117 insertions(+), 1 deletion(-)
 create mode 100644 pykickstart/commands/ostreesetup.py
 create mode 100644 tests/commands/ostreesetup.py