[FIX] popup: Restore lost "background" mode as used by the img plugin with thumb=mouseover or mousesticky.
Some extra CSS changes required to get both cases working: with a width supplied and without (also grouped all cluetip css together)

git-svn-id: file:///var/local/code.tiki.org/tikisvn/branches/11.x@47742 b456876b-0849-0410-b77d-98878d47e9d5
[bp/r47740] [FIX] There should be no mangling of the password in any cases - 'text' calls striptags

git-svn-id: file:///var/local/code.tiki.org/tikisvn/branches/11.x@47744 b456876b-0849-0410-b77d-98878d47e9d5
[FIX] listpages plugin: Restore missing category processing code, fix version/s typo and make for_list_pages param default to 'y' (so backlinks get shown)

git-svn-id: file:///var/local/code.tiki.org/tikisvn/branches/11.x@47745 b456876b-0849-0410-b77d-98878d47e9d5
[MRG] Automatic merge, branches/11.x 47730 to 47745

git-svn-id: file:///var/local/code.tiki.org/tikisvn/trunk@47746 b456876b-0849-0410-b77d-98878d47e9d5