Dont check lbaas agent if we are not using it

Need to break the lbaas sensu checks out as we may not alway need them.
Fix broken CI

We need to define this in defaults.yml because we are referencing these
defaults cross-role.
Trying to fix HW RAID repo on Ubuntu 14.04
Merge pull request #338 from craigtracey/lbaas_feature_flag

Dont check lbaas agent if we are not using it
Merge pull request #339 from craigtracey/fixci

Fix broken CI
Merge remote-tracking branch 'upstream/master' into trusty-hwraid
Merge pull request #340 from blueboxgroup/trusty-hwraid

Trusty hwraid
Only set tunnel_types when explictly called out

Neutron does not honor enable_tunneling in all cases, so dont give the
agent an opportunity to create tunnels.
Also check that tunneling is enabled

Only set tunnel_types when tunneling is enabled as well.
Merge pull request #342 from craigtracey/disable_tunnel_types

Only set tunnel_types when explictly called out
Add a 3ware RAID check

Adding a 3ware raid check. This change adds the code for the check
itself, modifies sensu_check to accept "command" and "occurrences" as
well as adds sudoers permissions for the tw-cli command.
Move conditional RAID logic to own plugin

Instead of having the logic in the check defintion itself, move it to
its own check and that will call out to the supported RAID type checks.
Merge pull request #343 from craigtracey/3warecheck

Add a 3ware RAID check
Add megaraid check for sensu

This change adds a new check_megaraid_sas.pl plugin and all of the
necessary plumbing to make it work.
Migrate Neutron roles when UCARP switches over floating IP
Jinja not Python
CHANGELOG.md
Fix jinja syntax and install ipchanged dependency
Add pidfile and logging to ipchanged
Merge pull request #344 from craigtracey/megacli

Add megaraid check for sensu