[ENH] Use less expensive query methods in installer

git-svn-id: file:///var/local/code.tiki.org/tikisvn/branches/12.x@48163 b456876b-0849-0410-b77d-98878d47e9d5
[bp/r48132] [FIX] Missing icons are added at the time of installation.

git-svn-id: file:///var/local/code.tiki.org/tikisvn/branches/12.x@48165 b456876b-0849-0410-b77d-98878d47e9d5
[bp/r48139] [FIX] CSS added to fix default height issue in code plugin

git-svn-id: file:///var/local/code.tiki.org/tikisvn/branches/12.x@48166 b456876b-0849-0410-b77d-98878d47e9d5
[bp/r48140] [ENH] Header function added, to redirect a user from the maintenance page to the index page.

git-svn-id: file:///var/local/code.tiki.org/tikisvn/branches/12.x@48167 b456876b-0849-0410-b77d-98878d47e9d5
[ENH] Allow exporting and import RSS feed configurations along with article generators

git-svn-id: file:///var/local/code.tiki.org/tikisvn/branches/12.x@48168 b456876b-0849-0410-b77d-98878d47e9d5
[bp/r48143] [ENH] private blog post links are filtered from other users on adjacent blog navigation link.

git-svn-id: file:///var/local/code.tiki.org/tikisvn/branches/12.x@48169 b456876b-0849-0410-b77d-98878d47e9d5
[ENH] Allow exporting advanced rating configurations individually and as a complete set

git-svn-id: file:///var/local/code.tiki.org/tikisvn/branches/12.x@48170 b456876b-0849-0410-b77d-98878d47e9d5
[MRG] Automatic merge, branches/12.x 48161 to 48170

git-svn-id: file:///var/local/code.tiki.org/tikisvn/trunk@48171 b456876b-0849-0410-b77d-98878d47e9d5