Reverse Dependencies of cs.sh

The following projects have a declared dependency on cs.sh:

• cs.app.osx.plist — Some simple MacOS plist facilities. Supports binary plist files, which the stdlib `plistlib` module does not.
• cs.app.portfwd — Manage persistent ssh tunnels and port forwards.
• cs.app.svcd — SvcD class and "svcd" command to run persistent service programmes.