KeyedJoin with SKIP and ONFAIL transform bug
KeyedJoin with SKIP and ONFAIL transform bug

A keyedjoin with a LIMIT,SKIP + an ONFAIL, that hit the limit, could have
caused the output from KJ to terminate early.
With LIMIT,SKIP, ONFAIL can never be called, so codegen should produce a
warning if used in comination : @ghalliday

Signed-off-by: Jake Smith <b20121000db38205734e8ca1c74fe9668b08552a@lexisnexis.com>

afishbeck/HPCC-Platform,afishbeck/HPCC-Platform,afishbeck/HPCC-Platform,afishbeck/HPCC-Platform,afishbeck/HPCC-Platform,afishbeck/HPCC-Platform