[bp/r52064][FIX] When remote server whre image is down, img plugin will try in vain to get image until timeout which causes page not to load


git-svn-id: file:///var/local/code.tiki.org/tikisvn/branches/12.x@52066 b456876b-0849-0410-b77d-98878d47e9d5
[bp/r52067][FIX] system alt was saying "Cross" where it should say "Remove"


git-svn-id: file:///var/local/code.tiki.org/tikisvn/branches/12.x@52068 b456876b-0849-0410-b77d-98878d47e9d5