Assign index ids from the incrementing id generator - but this will now break migration so..
Update migration to set the last index id (this needs testing next)
Testing yielded in a typo - oops
Removing test that is no longer supported (suggestions on dynamic)
Throw an error on unsupported operation
fixing test
Merge branch 'Ravendb-1404' of https://github.com/robashton/ravendb into New3