bump to newest middleware code
Enable python sysimage in zerocloud by default
Merge branch 'master' of github.com:ludditry/ansible-zwift
Change from get-url to curl and creates=.

get-url downloads the url with every run.  For faster runs, we will no longer download the file if it already exists.
Use zwift_apache_docroot as the docroot, manage symlink to point to zwift_ui_docroot
get liteauth from litestack/master, not pkit/swauth
compute memcache servers
Merge pull request #48 from rpedde/memcache

Caclulate memcache server list
do naive cluster registration, so as to be able to do functional tests
Merge pull request #49 from rpedde/dns_registration

Add some foolish and naive stuff for dns registration