Remove files which have been updated in #66
Rename idbfactory_open9.htm as it was used in #65
Rename idbcursor_advance_index.htm as it was used in #64
 Update writer-starvation.htm

- Correct support.js reference path
- Replace IDBTransaction.READ_WRITE with "readwrite" as it is obsolete
- Remove console.log
- Enable commented assertions
Move Opera's IndexedDB tests
Remove idbcursor_advance_index4.htm

as it is duplicate to idbcursor_continue_index4.htm