[FIX] Lots of changes around accordions with BS 3

git-svn-id: file:///var/local/code.tiki.org/tikisvn/trunk@48368 b456876b-0849-0410-b77d-98878d47e9d5
[MOD] When the menu is on the topbar, use bootstrap (need to be made optional, but scavenging the experimental branch now)

git-svn-id: file:///var/local/code.tiki.org/tikisvn/trunk@48370 b456876b-0849-0410-b77d-98878d47e9d5
[ENH] Convert jquery accordion to wikiplugin

git-svn-id: file:///var/local/code.tiki.org/tikisvn/trunk@48371 b456876b-0849-0410-b77d-98878d47e9d5
[FIX] Installer: Handle access denied case for database connection.
May need back-porting


git-svn-id: file:///var/local/code.tiki.org/tikisvn/trunk@48372 b456876b-0849-0410-b77d-98878d47e9d5