add a compression job for the previous tlog if the first value being logged starts a new one (fixes test_sabotage)
add a compression job for the previous tlog if the first value being logged starts a new one (fixes test_sabotage)

Incubaid/arakoon,Incubaid/arakoon,openvstorage/arakoon,openvstorage/arakoon,Incubaid/arakoon,openvstorage/arakoon