DOCS-1069 document _hashBSONElement command
DOCS-1069 add versionadded directive
DOCS-1069 address comments from @tychoish
DOCS-975 DOCS-863 document --setParameter and test commands
Merge branch 'mongodb-2.2' of github.com:epc/docs
Merge branch 'master' of git://github.com/mongodb/docs
Merge branch 'master' of git://github.com/mongodb/docs
Merge branch 'master' of git://github.com/mongodb/docs
Merge branch 'master' of git://github.com/mongodb/docs
merge conflict again.
DOCS-1069 document _hashBSONElement command
DOCS-1069 add versionadded directive
DOCS-1069 address comments from @tychoish
DOCS-975 DOCS-863 document --setParameter and test commands
merge conflicts are getting tiring.
Merge pull request #651 from epc/mongodb-2.4

DOCS-863 DOCS-975 DOCS-1069 test commands + --setParameter