[REF] Replace legacy classes with Bootstrap equivalent classes for "Change preferences" button layout on admin pages.

git-svn-id: file:///var/local/code.tiki.org/tikisvn/trunk@48724 b456876b-0849-0410-b77d-98878d47e9d5
[FIX] Wrong URL

git-svn-id: file:///var/local/code.tiki.org/tikisvn/trunk@48725 b456876b-0849-0410-b77d-98878d47e9d5