Add a logout when admin user update his own password.

Fixes bug 1155429

Change-Id: I166848bfe2d83e8b6cfb825476040215c0821302
Remove the term 'syspanel' from docs

Since the refactorization of syspanel occurred at
the very early Folsom days, the docs should reflect this too.

Change-Id: I8539b0b8bda2f63366c6de75b1a010f52f07fd0e
Merge "Remove the term 'syspanel' from docs"
Merge "Add a logout when admin user update his own password."