Revert "Add current user to the cache ID."

This reverts commit 15e863e242a5bcd70b0450a001f7e22afe97e6a4.

getmyuid() returns the owner of the current script. Not the user running
the script (that's posix_getuid()). Irrelevant, since we should simply
not use caching when running from CLI - registry caching is a
performance tweak for web requests.
Don't use registry cache when running from CLI
[mms] Add Save All link to the popup message page in dynamic view.

Conflicts:
	imp/docs/CHANGES
	imp/package.xml