shorter the output line so larger runs fit into 80 characters.
Shorten the time we hold the serialization lock, move the increment of the
cache/page information and the call to mark the page dirty outside of the
serialization lock.
Merge branch 'cache-dirty-bytes' into tighter-spinlocks
Merge pull request #707 from wiredtiger/tighter-spinlocks

Shorter serialization locks
Don't re-enter the LSM tree when doing lookups for no-overwrite cursors.  Also fix a bug where no-overwrite update operations were using the old version of the value.

closes #712