Warn on deploy if there is a published port

[cmer]

• Need to warn if someone scales the app up (or even has more than one process type, since docker options are global)
• if they dont have checks disabled

[josegonzalez]

Checks only need to be disabled for the web process, so if they are either disabled globally or disabled for web, thats good enough.

We'll probably want to add the warning to scheduler-deploy-process. We can check in there if there is a -p|--publish flag with an argument or -P|--publish-all flag. If so, we'll add the warning if the process count is greater than 1.

Additionally, we will add the warning if checks aren't disabled. If both conditions aren't satisfied, we'll only warn once (but will note both reasons).

[josegonzalez]

Closing as there is a pull request open.