(#1533) - Reformat lines to be < 80 characters
(#1533) - Reformat more lines to be < 80 char
(#1853) - make perf tests more accurate for skip/limit

Nolan forgot to actually make the "skip" values large,
so that we could actually demonstrate that startkey/endkey
outperforms skip/limit.
(#1844) - Only clean up the tests after suite is complete
(#1846) - Dont write checkpoint when replication is cancelled
(#1875) - use a library for extend, and then use clone for the 95% of the time where that is what we are using extend for