[FIX][SEC][bp/r52331] That pref might contain a password

git-svn-id: file:///var/local/code.tiki.org/tikisvn/branches/13.x@52334 b456876b-0849-0410-b77d-98878d47e9d5
[FIX] validation: When server-side validation fails for tracker item update remove the busy "tikiModal" and display the error (even though it appears at the top of the form)

git-svn-id: file:///var/local/code.tiki.org/tikisvn/branches/13.x@52335 b456876b-0849-0410-b77d-98878d47e9d5
[FIX][MOD] validation: Escape regex param used for client-side js validation
(this constitutes a change in behaviour from before 13.1 where backslashes, quotes etc needed to be escaped in the pattern parameter, but the data wasn't validated server-side so that didn't matter)

git-svn-id: file:///var/local/code.tiki.org/tikisvn/branches/13.x@52336 b456876b-0849-0410-b77d-98878d47e9d5