[HBASE-19919] Tidying up logging - ASF JIRA

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(I thought this change innocuous but I made work for a co-worker when I upped interval between log cleaner runs -- meant a smoke test failed because we were slow doing an expected cleanup).

Edit of log lines removing redundancy. Shorten thread names shown in log. Made some log TRACE instead of DEBUG. Capitalizations.

Upped log cleaner interval from every minute to every ten minutes. hbase.master.cleaner.interval

Lowered default count of threads started by Procedure Executor from count of CPUs to 1/4 of count of CPUs.

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(I thought this change innocuous but I made work for a co-worker when I upped interval between log cleaner runs -- meant a smoke test failed because we were slow doing an expected cleanup). Edit of log lines removing redundancy. Shorten thread names shown in log. Made some log TRACE instead of DEBUG. Capitalizations. Upped log cleaner interval from every minute to every ten minutes. hbase.master.cleaner.interval Lowered default count of threads started by Procedure Executor from count of CPUs to 1/4 of count of CPUs.

Reading logs, there is a bunch of stuff we don't need, thread names are too long, etc. Doing a little tidying.