Issue travis-ci#1190 - Adding Org and Space to login command

Adding the -o and -s arguments to the login command to prevent the cf command from blocking the build indefinitely during login.

lib/dpl/providers/bluemixcloudfoundry.rb

@@ -34,7 +34,7 @@ class Bluemixcloudfoundry < Provider
 
       cmds install: 'test $(uname) = "Linux" && rel="linux64-binary" || rel="macosx64"; wget "https://cli.run.pivotal.io/stable?release=${rel}&source=github" -qO cf.tgz && tar -zxvf cf.tgz && rm cf.tgz',
            api:     './cf api %{api} %{skip_ssl_validation_opt}',
-           login:   './cf login -u %{username} -p %{password}',
+           login:   './cf login -u %{username} -p %{password} -o %{organization} -s %{space}',
            target:  './cf target -o %{organization} -s %{space}',
            push:    './cf push %{push_args}',
            logout:  './cf logout'