auditing: minor reorganization.
Update journaling.txt

note to use fsyncLock / fsyncUnlock for snapshots when database and journal files are on separate physical media

Signed-off-by: Sam Kleinman <samk@10gen.com>
DOCS-2659 upgrade order
DOCS-2675: changing options to reflect new naming
add mongorestore path option to yaml files
DOCS-2501 minor
DOCS-2501 runtime options: mongoperf
DOCS-2501 runtime options: mongostat
DOCS-2501 runtime options: reordering options in yaml files
 to same order they are in the reference pages,
 to narrow the room for error.
 PART I: _shared, sondump, mongodump, mongoexport, mongofiles
DOCS-2501 runtime options: reordering options
 PART II: mongoimport, mongooplog, mongorestore,
          mongosniff, mongostat, mongotop
DOCS-2501 runtime options: mongod