Delete deprecated heat template

the template 'basic_for_docker' is not used since
https://github.com/stackforge/solum/commit/fd49bef0d2a07baf30d4140b78c362c092e3aadc

Change-Id: I067cd0d025c488afeb8c55a74c13be091bb569e2
Do not translate DEBUG logs

According to the OpenStack translation policy, available at
https://wiki.openstack.org/wiki/LoggingStandards debug messages
should not be translated. Like mentioned in several changes in
Nova by garyk this is to help prioritize log translation.

Change-Id: I38af8f082e6d1721b31af96eb6bf86a219f89f37
Merge "Delete deprecated heat template"
Add an autoscaling heat template for the build-farm

Part of blueprint solum-build-farm
https://blueprints.launchpad.net/solum/+spec/solum-build-farm

Change-Id: Ib7f924c9cb3e362ef49fdea31f9f8f5315adeab6
Add Infrastructure API and db object

Part of blueprint solum-build-farm

Change-Id: I4075f47084f34622a6b4177ed9186eb15f8d90ab
Start heat stack when infra stack is created

Part of blueprint solum-build-farm

Change-Id: Id1b325979eae7e2c594ed099b51a8dceb55e3df8
Add skeleton of a solum-guestagent

In order to configure and interact with any guest vm managed by
solum, we need a guestagent running on those VMs.

This patch is a first step for solum-guestagent

Also made some changes to config files generation to allow multiple
config file
- /etc/solum/solum.conf for solum global configuration
- /etc/solum/solum-guestagent.conf for agent configuration

This code is inspired by trove-guestagent

Change-Id: I45559985d447598abcee1043e9af600e6314b422
WIP

Change-Id: I10769ee76e032ce54390839b25cad2603e62615c