Add and enhance LSM verbose messages. #1200
If forcing a flush, look for all chunks to process. #1200
Fix typo
Add table name to many LSM verbose statements.  Add arg to indicate
if this is the last chunk. #1200
Fix conditional after removing verbose code.
Add flushing stage to compact.  Restore COMPACTING check during merges
to force aggressiveness. #1200
Fix warnings.
Wait for ondisk flag to get set on compact. #1200
Change transaction ID allocation so that if transactions stop, the last ID becomes globally visible.  We want post-increment semantics but our atomic primitive is pre-increment.

refs #1200
Split flushing versus compacting phases of compact.  Cleanup. #1200
Merge branch 'develop' into force-all
Comments and cleanup. #1200
Merge pull request #1213 from wiredtiger/force-all

LSM compact wasn't working properly, leading to performance degradation. Refs #1200
Fix build warning:

../src/lsm/lsm_tree.c:1007: warning: 'chunk' may be used uninitialized in this function