Allow ignore director UUID check

Conflicts:
	cli/spec/unit/cli_commands_spec.rb

Conflicts:
	cli/lib/cli/commands/deployment.rb
	cli/lib/cli/deployment_helper.rb
	cli/spec/unit/cli_commands_spec.rb
	cli/spec/unit/deployment_manifest_spec.rb
cli: stemcell: add --skip-if-exists option to upload stemcell command

Conflicts:
	cli/lib/cli/commands/stemcell.rb
cli: release: add --skip-if-exists option to upload release command

Conflicts:
	cli/lib/cli/commands/release.rb
cli: micro: add --update-if-exists flag to micro deploy

Conflicts:
	deployer/lib/bosh/cli/commands/micro.rb
	deployer/spec/unit/micro_command_spec.rb
retry on HTTPClient::ConnectTimeoutError