[MOD] Add parent theme (jqui) import statement so Excitebike theme can be used via Custom theme URL textfield. 

git-svn-id: file:///var/local/code.tiki.org/tikisvn/trunk@52813 b456876b-0849-0410-b77d-98878d47e9d5
[NEW] Add support for schema autodetection on import

git-svn-id: file:///var/local/code.tiki.org/tikisvn/trunk@52816 b456876b-0849-0410-b77d-98878d47e9d5