[Users] !!! old 'break' removed

[Daniel-Constantin Mierla]

Hello,

from now on, the 'break' cannot be used to return from a route. The only 
place to use is to end a 'case' block in a 'switch' statement. As it was 
agreed on the mailing list, 'return' must be used to stop the execution 
of a route -- these changes brings an appropriate c/shell-like meaning 
for these commands. A message telling about this new functionality is 
displayed every time when an unknown command is met. The dokuwiki will 
be updated to reflect this major change.

Daniel