'cask upgrade' command collects all exceptions thrown
from individual casks during the upgrade process. If
there were more than one cask that raised exceptions
during the upgrade process, a MultipleCaskErrors
exception will be thrown.
Issue #5203
Gatekeeper's Path Randomization is currently making automated
installation a nightmare. Let's manually toggle the (undocumented) app
translocation bit in the `com.apple.quarantine` extended attribute.
While we're at it, let's also toss in some fixes:
- zip downloads with improper permissions that prevent us from
quarantining
- quarantine/release/skip downloads as requested by the user
