Add a VIP for Memcached

Use active-backup mode for load balancing Memcached instances
on the controllers. This resolves issues with nova-consoleauth
and opens the door for future uses of Memcached within OpenStack.
Merge pull request #60 from DavidWittman/memcached-active-backup

Merged automatically by jenkins after successful build test
Revert "Merge pull request #60 from DavidWittman/memcached-active-backup"

This reverts commit c15d2002a1039e730e18088407bc69930582b3d2, reversing
changes made to 3f969c9e2980c005452835772453c4680613969f.
Merge pull request #61 from DavidWittman/revert-60

Merged automatically by jenkins after successful build test
Enable DNS-named public endpoint without host or URI override
Merge pull request #62 from odyssey4me/GH574

Merged automatically by jenkins after successful build test
Add keystone-internal-api virtual_server when required
Remove log.info that shouldn't have been included
Version Bump to 4.1.3
Merge pull request #64 from rackerjoe/master

Version Bump to 4.1.3
move version out of metadata.rb into VERSION
Merge pull request #65 from rackerjoe/master

Merged automatically by jenkins after successful build test
Merge pull request #63 from odyssey4me/DE297

DE297: Add keystone-internal-api virtual_server when required
Backport HA changes from 4.2.0
[BACKPORT: 4.1.3; 4.2.1]: restart keepalived immediately on VRRP changes
Merge pull request #70 from Apsu/v4.2.1rc

HA -- The Final Frontier
Merge branch 'v4.1.3rc' into grizzly

Conflicts:
	metadata.rb